Home / 5,545.47-7,654.07-3,188.99

Finding the Fourth Proportional to 5,545.47, 7,654.07 and 3,188.99

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Solution

The fourth proportional to 5,545.47, 7,654.07 and 3,188.99 is: 4,401.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,545.47 : 7,654.07 = 3,188.99 : x
  2. Step 2: Convert to fraction form
    5,545.47/7,654.07 = 3,188.99/x
  3. Step 3: Cross multiply
    5,545.47x = 7,654.07 × 3,188.99
  4. Step 4: Simplify right side
    5,545.47x = 24,408,698.47
  5. Step 5: Solve for x
    x = 24,408,698.47/5,545.47
  6. Step 6: Final answer
    x = 4,401.56

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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.