Home / 8,589.38-12,883.45-2,666.12

Finding the Fourth Proportional to 8,589.38, 12,883.45 and 2,666.12

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Solution

The fourth proportional to 8,589.38, 12,883.45 and 2,666.12 is: 3,998.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,589.38 : 12,883.45 = 2,666.12 : x
  2. Step 2: Convert to fraction form
    8,589.38/12,883.45 = 2,666.12/x
  3. Step 3: Cross multiply
    8,589.38x = 12,883.45 × 2,666.12
  4. Step 4: Simplify right side
    8,589.38x = 34,348,759.30
  5. Step 5: Solve for x
    x = 34,348,759.30/8,589.38
  6. Step 6: Final answer
    x = 3,998.98

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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.