Home / 8,385.30-12,577.14-2,229.30

Finding the Fourth Proportional to 8,385.30, 12,577.14 and 2,229.30

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Solution

The fourth proportional to 8,385.30, 12,577.14 and 2,229.30 is: 3,343.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,385.30 : 12,577.14 = 2,229.30 : x
  2. Step 2: Convert to fraction form
    8,385.30/12,577.14 = 2,229.30/x
  3. Step 3: Cross multiply
    8,385.30x = 12,577.14 × 2,229.30
  4. Step 4: Simplify right side
    8,385.30x = 28,038,218.20
  5. Step 5: Solve for x
    x = 28,038,218.20/8,385.30
  6. Step 6: Final answer
    x = 3,343.73

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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.