Home / 5,526.90-8,278.20-3,331.80

Finding the Fourth Proportional to 5,526.90, 8,278.20 and 3,331.80

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Solution

The fourth proportional to 5,526.90, 8,278.20 and 3,331.80 is: 4,990.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,526.90 : 8,278.20 = 3,331.80 : x
  2. Step 2: Convert to fraction form
    5,526.90/8,278.20 = 3,331.80/x
  3. Step 3: Cross multiply
    5,526.90x = 8,278.20 × 3,331.80
  4. Step 4: Simplify right side
    5,526.90x = 27,581,306.76
  5. Step 5: Solve for x
    x = 27,581,306.76/5,526.90
  6. Step 6: Final answer
    x = 4,990.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.