Home / 8,291.35-12,449.58-6,732.91

Finding the Fourth Proportional to 8,291.35, 12,449.58 and 6,732.91

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Solution

The fourth proportional to 8,291.35, 12,449.58 and 6,732.91 is: 10,109.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,291.35 : 12,449.58 = 6,732.91 : x
  2. Step 2: Convert to fraction form
    8,291.35/12,449.58 = 6,732.91/x
  3. Step 3: Cross multiply
    8,291.35x = 12,449.58 × 6,732.91
  4. Step 4: Simplify right side
    8,291.35x = 83,821,901.68
  5. Step 5: Solve for x
    x = 83,821,901.68/8,291.35
  6. Step 6: Final answer
    x = 10,109.56

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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.