Home / 6,915.25-10,372.88-2,239.17

Finding the Fourth Proportional to 6,915.25, 10,372.88 and 2,239.17

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Solution

The fourth proportional to 6,915.25, 10,372.88 and 2,239.17 is: 3,358.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,915.25 : 10,372.88 = 2,239.17 : x
  2. Step 2: Convert to fraction form
    6,915.25/10,372.88 = 2,239.17/x
  3. Step 3: Cross multiply
    6,915.25x = 10,372.88 × 2,239.17
  4. Step 4: Simplify right side
    6,915.25x = 23,226,641.71
  5. Step 5: Solve for x
    x = 23,226,641.71/6,915.25
  6. Step 6: Final answer
    x = 3,358.76

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.