Home / 9,335.53-12,882.27-5,143.78

Finding the Fourth Proportional to 9,335.53, 12,882.27 and 5,143.78

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Solution

The fourth proportional to 9,335.53, 12,882.27 and 5,143.78 is: 7,098.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,335.53 : 12,882.27 = 5,143.78 : x
  2. Step 2: Convert to fraction form
    9,335.53/12,882.27 = 5,143.78/x
  3. Step 3: Cross multiply
    9,335.53x = 12,882.27 × 5,143.78
  4. Step 4: Simplify right side
    9,335.53x = 66,263,562.78
  5. Step 5: Solve for x
    x = 66,263,562.78/9,335.53
  6. Step 6: Final answer
    x = 7,098.00

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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.