Home / 9,248.71-12,761.33-5,268.78

Finding the Fourth Proportional to 9,248.71, 12,761.33 and 5,268.78

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Solution

The fourth proportional to 9,248.71, 12,761.33 and 5,268.78 is: 7,269.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,248.71 : 12,761.33 = 5,268.78 : x
  2. Step 2: Convert to fraction form
    9,248.71/12,761.33 = 5,268.78/x
  3. Step 3: Cross multiply
    9,248.71x = 12,761.33 × 5,268.78
  4. Step 4: Simplify right side
    9,248.71x = 67,236,576.47
  5. Step 5: Solve for x
    x = 67,236,576.47/9,248.71
  6. Step 6: Final answer
    x = 7,269.83

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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.