Home / 8,587.52-12,867.94-4,140.39

Finding the Fourth Proportional to 8,587.52, 12,867.94 and 4,140.39

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Solution

The fourth proportional to 8,587.52, 12,867.94 and 4,140.39 is: 6,204.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,587.52 : 12,867.94 = 4,140.39 : x
  2. Step 2: Convert to fraction form
    8,587.52/12,867.94 = 4,140.39/x
  3. Step 3: Cross multiply
    8,587.52x = 12,867.94 × 4,140.39
  4. Step 4: Simplify right side
    8,587.52x = 53,278,290.10
  5. Step 5: Solve for x
    x = 53,278,290.10/8,587.52
  6. Step 6: Final answer
    x = 6,204.15

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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.