Home / 8,454.53-12,684.35-2,531.61

Finding the Fourth Proportional to 8,454.53, 12,684.35 and 2,531.61

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Solution

The fourth proportional to 8,454.53, 12,684.35 and 2,531.61 is: 3,798.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,454.53 : 12,684.35 = 2,531.61 : x
  2. Step 2: Convert to fraction form
    8,454.53/12,684.35 = 2,531.61/x
  3. Step 3: Cross multiply
    8,454.53x = 12,684.35 × 2,531.61
  4. Step 4: Simplify right side
    8,454.53x = 32,111,827.30
  5. Step 5: Solve for x
    x = 32,111,827.30/8,454.53
  6. Step 6: Final answer
    x = 3,798.18

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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.