Home / 7,232.40-9,979.24-4,248.72

Finding the Fourth Proportional to 7,232.40, 9,979.24 and 4,248.72

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Solution

The fourth proportional to 7,232.40, 9,979.24 and 4,248.72 is: 5,862.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,232.40 : 9,979.24 = 4,248.72 : x
  2. Step 2: Convert to fraction form
    7,232.40/9,979.24 = 4,248.72/x
  3. Step 3: Cross multiply
    7,232.40x = 9,979.24 × 4,248.72
  4. Step 4: Simplify right side
    7,232.40x = 42,398,996.57
  5. Step 5: Solve for x
    x = 42,398,996.57/7,232.40
  6. Step 6: Final answer
    x = 5,862.37

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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.