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Finding the Fourth Proportional to 8,014.76, 11,060.57 and 4,478.19

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Solution

The fourth proportional to 8,014.76, 11,060.57 and 4,478.19 is: 6,180.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,014.76 : 11,060.57 = 4,478.19 : x
  2. Step 2: Convert to fraction form
    8,014.76/11,060.57 = 4,478.19/x
  3. Step 3: Cross multiply
    8,014.76x = 11,060.57 × 4,478.19
  4. Step 4: Simplify right side
    8,014.76x = 49,531,311.58
  5. Step 5: Solve for x
    x = 49,531,311.58/8,014.76
  6. Step 6: Final answer
    x = 6,180.02

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Find fourth proportional to 4,007.38, 5,530.28 and 2,239.10
Half scale
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Double scale
Find fourth proportional to 8,015.76, 11,061.95 and 4,479.19
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.