Home / 8,148.57-11,245.11-4,611.69

Finding the Fourth Proportional to 8,148.57, 11,245.11 and 4,611.69

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Solution

The fourth proportional to 8,148.57, 11,245.11 and 4,611.69 is: 6,364.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,148.57 : 11,245.11 = 4,611.69 : x
  2. Step 2: Convert to fraction form
    8,148.57/11,245.11 = 4,611.69/x
  3. Step 3: Cross multiply
    8,148.57x = 11,245.11 × 4,611.69
  4. Step 4: Simplify right side
    8,148.57x = 51,858,961.34
  5. Step 5: Solve for x
    x = 51,858,961.34/8,148.57
  6. Step 6: Final answer
    x = 6,364.18

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Half scale
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Double scale
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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.