Home / 5,545.72-7,654.40-3,189.22

Finding the Fourth Proportional to 5,545.72, 7,654.40 and 3,189.22

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Solution

The fourth proportional to 5,545.72, 7,654.40 and 3,189.22 is: 4,401.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,545.72 : 7,654.40 = 3,189.22 : x
  2. Step 2: Convert to fraction form
    5,545.72/7,654.40 = 3,189.22/x
  3. Step 3: Cross multiply
    5,545.72x = 7,654.40 × 3,189.22
  4. Step 4: Simplify right side
    5,545.72x = 24,411,565.57
  5. Step 5: Solve for x
    x = 24,411,565.57/5,545.72
  6. Step 6: Final answer
    x = 4,401.87

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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.