Home / 8,414.40-12,621.96-2,867.52

Finding the Fourth Proportional to 8,414.40, 12,621.96 and 2,867.52

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Solution

The fourth proportional to 8,414.40, 12,621.96 and 2,867.52 is: 4,301.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,414.40 : 12,621.96 = 2,867.52 : x
  2. Step 2: Convert to fraction form
    8,414.40/12,621.96 = 2,867.52/x
  3. Step 3: Cross multiply
    8,414.40x = 12,621.96 × 2,867.52
  4. Step 4: Simplify right side
    8,414.40x = 36,193,722.74
  5. Step 5: Solve for x
    x = 36,193,722.74/8,414.40
  6. Step 6: Final answer
    x = 4,301.40

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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.