Home / 5,545.68-7,651.36-3,187.36

Finding the Fourth Proportional to 5,545.68, 7,651.36 and 3,187.36

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Solution

The fourth proportional to 5,545.68, 7,651.36 and 3,187.36 is: 4,397.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,545.68 : 7,651.36 = 3,187.36 : x
  2. Step 2: Convert to fraction form
    5,545.68/7,651.36 = 3,187.36/x
  3. Step 3: Cross multiply
    5,545.68x = 7,651.36 × 3,187.36
  4. Step 4: Simplify right side
    5,545.68x = 24,387,638.81
  5. Step 5: Solve for x
    x = 24,387,638.81/5,545.68
  6. Step 6: Final answer
    x = 4,397.59

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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.