Home / 8,432.55-12,648.83-2,589.15

Finding the Fourth Proportional to 8,432.55, 12,648.83 and 2,589.15

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Solution

The fourth proportional to 8,432.55, 12,648.83 and 2,589.15 is: 3,883.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,432.55 : 12,648.83 = 2,589.15 : x
  2. Step 2: Convert to fraction form
    8,432.55/12,648.83 = 2,589.15/x
  3. Step 3: Cross multiply
    8,432.55x = 12,648.83 × 2,589.15
  4. Step 4: Simplify right side
    8,432.55x = 32,749,705.25
  5. Step 5: Solve for x
    x = 32,749,705.25/8,432.55
  6. Step 6: Final answer
    x = 3,883.73

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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.