Home / 5,489.39-7,572.27-3,472.18

Finding the Fourth Proportional to 5,489.39, 7,572.27 and 3,472.18

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Solution

The fourth proportional to 5,489.39, 7,572.27 and 3,472.18 is: 4,789.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,489.39 : 7,572.27 = 3,472.18 : x
  2. Step 2: Convert to fraction form
    5,489.39/7,572.27 = 3,472.18/x
  3. Step 3: Cross multiply
    5,489.39x = 7,572.27 × 3,472.18
  4. Step 4: Simplify right side
    5,489.39x = 26,292,284.45
  5. Step 5: Solve for x
    x = 26,292,284.45/5,489.39
  6. Step 6: Final answer
    x = 4,789.66

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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.