Home / 5,387.25-7,432.47-3,397.08

Finding the Fourth Proportional to 5,387.25, 7,432.47 and 3,397.08

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Solution

The fourth proportional to 5,387.25, 7,432.47 and 3,397.08 is: 4,686.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,387.25 : 7,432.47 = 3,397.08 : x
  2. Step 2: Convert to fraction form
    5,387.25/7,432.47 = 3,397.08/x
  3. Step 3: Cross multiply
    5,387.25x = 7,432.47 × 3,397.08
  4. Step 4: Simplify right side
    5,387.25x = 25,248,695.19
  5. Step 5: Solve for x
    x = 25,248,695.19/5,387.25
  6. Step 6: Final answer
    x = 4,686.75

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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.