Home / 9,248.40-12,761.79-5,471.78

Finding the Fourth Proportional to 9,248.40, 12,761.79 and 5,471.78

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Solution

The fourth proportional to 9,248.40, 12,761.79 and 5,471.78 is: 7,550.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,248.40 : 12,761.79 = 5,471.78 : x
  2. Step 2: Convert to fraction form
    9,248.40/12,761.79 = 5,471.78/x
  3. Step 3: Cross multiply
    9,248.40x = 12,761.79 × 5,471.78
  4. Step 4: Simplify right side
    9,248.40x = 69,829,643.48
  5. Step 5: Solve for x
    x = 69,829,643.48/9,248.40
  6. Step 6: Final answer
    x = 7,550.46

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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.