Home / 8,428.55-12,641.20-2,583.59

Finding the Fourth Proportional to 8,428.55, 12,641.20 and 2,583.59

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Solution

The fourth proportional to 8,428.55, 12,641.20 and 2,583.59 is: 3,874.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,428.55 : 12,641.20 = 2,583.59 : x
  2. Step 2: Convert to fraction form
    8,428.55/12,641.20 = 2,583.59/x
  3. Step 3: Cross multiply
    8,428.55x = 12,641.20 × 2,583.59
  4. Step 4: Simplify right side
    8,428.55x = 32,659,608.24
  5. Step 5: Solve for x
    x = 32,659,608.24/8,428.55
  6. Step 6: Final answer
    x = 3,874.88

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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.