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Finding the Fourth Proportional to 6,116.76, 8,441.64 and 3,759.48

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Solution

The fourth proportional to 6,116.76, 8,441.64 and 3,759.48 is: 5,188.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,116.76 : 8,441.64 = 3,759.48 : x
  2. Step 2: Convert to fraction form
    6,116.76/8,441.64 = 3,759.48/x
  3. Step 3: Cross multiply
    6,116.76x = 8,441.64 × 3,759.48
  4. Step 4: Simplify right side
    6,116.76x = 31,736,176.75
  5. Step 5: Solve for x
    x = 31,736,176.75/6,116.76
  6. Step 6: Final answer
    x = 5,188.40

Related Problems

Find fourth proportional to 3,058.38, 4,220.82 and 1,879.74
Half scale
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Double scale
Find fourth proportional to 6,117.76, 8,443.02 and 3,760.48
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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.