Home / 9,107.52-12,569.28-5,330.46

Finding the Fourth Proportional to 9,107.52, 12,569.28 and 5,330.46

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Solution

The fourth proportional to 9,107.52, 12,569.28 and 5,330.46 is: 7,356.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,107.52 : 12,569.28 = 5,330.46 : x
  2. Step 2: Convert to fraction form
    9,107.52/12,569.28 = 5,330.46/x
  3. Step 3: Cross multiply
    9,107.52x = 12,569.28 × 5,330.46
  4. Step 4: Simplify right side
    9,107.52x = 67,000,044.27
  5. Step 5: Solve for x
    x = 67,000,044.27/9,107.52
  6. Step 6: Final answer
    x = 7,356.56

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1.5x scale

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.