Home / 9,102.92-12,553.11-5,915.03

Finding the Fourth Proportional to 9,102.92, 12,553.11 and 5,915.03

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Solution

The fourth proportional to 9,102.92, 12,553.11 and 5,915.03 is: 8,156.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,102.92 : 12,553.11 = 5,915.03 : x
  2. Step 2: Convert to fraction form
    9,102.92/12,553.11 = 5,915.03/x
  3. Step 3: Cross multiply
    9,102.92x = 12,553.11 × 5,915.03
  4. Step 4: Simplify right side
    9,102.92x = 74,251,959.48
  5. Step 5: Solve for x
    x = 74,251,959.48/9,102.92
  6. Step 6: Final answer
    x = 8,156.94

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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.