Home / 5,545.19-7,650.53-3,657.71

Finding the Fourth Proportional to 5,545.19, 7,650.53 and 3,657.71

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Solution

The fourth proportional to 5,545.19, 7,650.53 and 3,657.71 is: 5,046.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,545.19 : 7,650.53 = 3,657.71 : x
  2. Step 2: Convert to fraction form
    5,545.19/7,650.53 = 3,657.71/x
  3. Step 3: Cross multiply
    5,545.19x = 7,650.53 × 3,657.71
  4. Step 4: Simplify right side
    5,545.19x = 27,983,434.64
  5. Step 5: Solve for x
    x = 27,983,434.64/5,545.19
  6. Step 6: Final answer
    x = 5,046.43

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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.