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Finding the Fourth Proportional to 5,730.92, 8,607.90 and 5,008.04

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Solution

The fourth proportional to 5,730.92, 8,607.90 and 5,008.04 is: 7,522.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,730.92 : 8,607.90 = 5,008.04 : x
  2. Step 2: Convert to fraction form
    5,730.92/8,607.90 = 5,008.04/x
  3. Step 3: Cross multiply
    5,730.92x = 8,607.90 × 5,008.04
  4. Step 4: Simplify right side
    5,730.92x = 43,108,707.52
  5. Step 5: Solve for x
    x = 43,108,707.52/5,730.92
  6. Step 6: Final answer
    x = 7,522.13

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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.