Home / 5,545.18-7,654.13-3,188.89

Finding the Fourth Proportional to 5,545.18, 7,654.13 and 3,188.89

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Solution

The fourth proportional to 5,545.18, 7,654.13 and 3,188.89 is: 4,401.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,545.18 : 7,654.13 = 3,188.89 : x
  2. Step 2: Convert to fraction form
    5,545.18/7,654.13 = 3,188.89/x
  3. Step 3: Cross multiply
    5,545.18x = 7,654.13 × 3,188.89
  4. Step 4: Simplify right side
    5,545.18x = 24,408,178.62
  5. Step 5: Solve for x
    x = 24,408,178.62/5,545.18
  6. Step 6: Final answer
    x = 4,401.69

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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.