Home / 5,545.85-7,654.05-3,187.94

Finding the Fourth Proportional to 5,545.85, 7,654.05 and 3,187.94

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Solution

The fourth proportional to 5,545.85, 7,654.05 and 3,187.94 is: 4,399.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,545.85 : 7,654.05 = 3,187.94 : x
  2. Step 2: Convert to fraction form
    5,545.85/7,654.05 = 3,187.94/x
  3. Step 3: Cross multiply
    5,545.85x = 7,654.05 × 3,187.94
  4. Step 4: Simplify right side
    5,545.85x = 24,400,636.22
  5. Step 5: Solve for x
    x = 24,400,636.22/5,545.85
  6. Step 6: Final answer
    x = 4,399.80

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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.