Home / 5,545.79-7,653.17-3,187.92

Finding the Fourth Proportional to 5,545.79, 7,653.17 and 3,187.92

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Solution

The fourth proportional to 5,545.79, 7,653.17 and 3,187.92 is: 4,399.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,545.79 : 7,653.17 = 3,187.92 : x
  2. Step 2: Convert to fraction form
    5,545.79/7,653.17 = 3,187.92/x
  3. Step 3: Cross multiply
    5,545.79x = 7,653.17 × 3,187.92
  4. Step 4: Simplify right side
    5,545.79x = 24,397,693.71
  5. Step 5: Solve for x
    x = 24,397,693.71/5,545.79
  6. Step 6: Final answer
    x = 4,399.32

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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.