Home / 7,572.74-11,350.65-3,864.02

Finding the Fourth Proportional to 7,572.74, 11,350.65 and 3,864.02

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Solution

The fourth proportional to 7,572.74, 11,350.65 and 3,864.02 is: 5,791.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,572.74 : 11,350.65 = 3,864.02 : x
  2. Step 2: Convert to fraction form
    7,572.74/11,350.65 = 3,864.02/x
  3. Step 3: Cross multiply
    7,572.74x = 11,350.65 × 3,864.02
  4. Step 4: Simplify right side
    7,572.74x = 43,859,138.61
  5. Step 5: Solve for x
    x = 43,859,138.61/7,572.74
  6. Step 6: Final answer
    x = 5,791.71

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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.