Home / 8,342.74-12,514.12-3,839.36

Finding the Fourth Proportional to 8,342.74, 12,514.12 and 3,839.36

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Solution

The fourth proportional to 8,342.74, 12,514.12 and 3,839.36 is: 5,759.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,342.74 : 12,514.12 = 3,839.36 : x
  2. Step 2: Convert to fraction form
    8,342.74/12,514.12 = 3,839.36/x
  3. Step 3: Cross multiply
    8,342.74x = 12,514.12 × 3,839.36
  4. Step 4: Simplify right side
    8,342.74x = 48,046,211.76
  5. Step 5: Solve for x
    x = 48,046,211.76/8,342.74
  6. Step 6: Final answer
    x = 5,759.04

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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.