Home / 5,575.13-7,695.50-4,007.78

Finding the Fourth Proportional to 5,575.13, 7,695.50 and 4,007.78

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Solution

The fourth proportional to 5,575.13, 7,695.50 and 4,007.78 is: 5,532.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,575.13 : 7,695.50 = 4,007.78 : x
  2. Step 2: Convert to fraction form
    5,575.13/7,695.50 = 4,007.78/x
  3. Step 3: Cross multiply
    5,575.13x = 7,695.50 × 4,007.78
  4. Step 4: Simplify right side
    5,575.13x = 30,841,812.47
  5. Step 5: Solve for x
    x = 30,841,812.47/5,575.13
  6. Step 6: Final answer
    x = 5,532.04

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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.