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Finding the Fourth Proportional to 8,387.33, 12,580.98 and 2,543.93

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Solution

The fourth proportional to 8,387.33, 12,580.98 and 2,543.93 is: 3,815.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,387.33 : 12,580.98 = 2,543.93 : x
  2. Step 2: Convert to fraction form
    8,387.33/12,580.98 = 2,543.93/x
  3. Step 3: Cross multiply
    8,387.33x = 12,580.98 × 2,543.93
  4. Step 4: Simplify right side
    8,387.33x = 32,005,107.19
  5. Step 5: Solve for x
    x = 32,005,107.19/8,387.33
  6. Step 6: Final answer
    x = 3,815.89

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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.