Home / 4,981.28-7,457.40-3,882.29

Finding the Fourth Proportional to 4,981.28, 7,457.40 and 3,882.29

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Solution

The fourth proportional to 4,981.28, 7,457.40 and 3,882.29 is: 5,812.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,981.28 : 7,457.40 = 3,882.29 : x
  2. Step 2: Convert to fraction form
    4,981.28/7,457.40 = 3,882.29/x
  3. Step 3: Cross multiply
    4,981.28x = 7,457.40 × 3,882.29
  4. Step 4: Simplify right side
    4,981.28x = 28,951,752.16
  5. Step 5: Solve for x
    x = 28,951,752.16/4,981.28
  6. Step 6: Final answer
    x = 5,812.12

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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.