Home / 9,248.88-12,761.46-5,268.90

Finding the Fourth Proportional to 9,248.88, 12,761.46 and 5,268.90

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Solution

The fourth proportional to 9,248.88, 12,761.46 and 5,268.90 is: 7,269.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,248.88 : 12,761.46 = 5,268.90 : x
  2. Step 2: Convert to fraction form
    9,248.88/12,761.46 = 5,268.90/x
  3. Step 3: Cross multiply
    9,248.88x = 12,761.46 × 5,268.90
  4. Step 4: Simplify right side
    9,248.88x = 67,238,856.59
  5. Step 5: Solve for x
    x = 67,238,856.59/9,248.88
  6. Step 6: Final answer
    x = 7,269.95

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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.