Home / 7,914.11-11,854.43-5,132.52

Finding the Fourth Proportional to 7,914.11, 11,854.43 and 5,132.52

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Solution

The fourth proportional to 7,914.11, 11,854.43 and 5,132.52 is: 7,687.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,914.11 : 11,854.43 = 5,132.52 : x
  2. Step 2: Convert to fraction form
    7,914.11/11,854.43 = 5,132.52/x
  3. Step 3: Cross multiply
    7,914.11x = 11,854.43 × 5,132.52
  4. Step 4: Simplify right side
    7,914.11x = 60,843,073.40
  5. Step 5: Solve for x
    x = 60,843,073.40/7,914.11
  6. Step 6: Final answer
    x = 7,687.93

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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.