Home / 9,122.52-13,689.18-3,857.24

Finding the Fourth Proportional to 9,122.52, 13,689.18 and 3,857.24

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Solution

The fourth proportional to 9,122.52, 13,689.18 and 3,857.24 is: 5,788.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,122.52 : 13,689.18 = 3,857.24 : x
  2. Step 2: Convert to fraction form
    9,122.52/13,689.18 = 3,857.24/x
  3. Step 3: Cross multiply
    9,122.52x = 13,689.18 × 3,857.24
  4. Step 4: Simplify right side
    9,122.52x = 52,802,501.35
  5. Step 5: Solve for x
    x = 52,802,501.35/9,122.52
  6. Step 6: Final answer
    x = 5,788.15

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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.