Home / 4,728.92-7,088.45-2,645.87

Finding the Fourth Proportional to 4,728.92, 7,088.45 and 2,645.87

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Solution

The fourth proportional to 4,728.92, 7,088.45 and 2,645.87 is: 3,966.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,728.92 : 7,088.45 = 2,645.87 : x
  2. Step 2: Convert to fraction form
    4,728.92/7,088.45 = 2,645.87/x
  3. Step 3: Cross multiply
    4,728.92x = 7,088.45 × 2,645.87
  4. Step 4: Simplify right side
    4,728.92x = 18,755,096.17
  5. Step 5: Solve for x
    x = 18,755,096.17/4,728.92
  6. Step 6: Final answer
    x = 3,966.04

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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.