Home / 8,080.02-12,125.57-3,149.69

Finding the Fourth Proportional to 8,080.02, 12,125.57 and 3,149.69

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Solution

The fourth proportional to 8,080.02, 12,125.57 and 3,149.69 is: 4,726.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,080.02 : 12,125.57 = 3,149.69 : x
  2. Step 2: Convert to fraction form
    8,080.02/12,125.57 = 3,149.69/x
  3. Step 3: Cross multiply
    8,080.02x = 12,125.57 × 3,149.69
  4. Step 4: Simplify right side
    8,080.02x = 38,191,710.20
  5. Step 5: Solve for x
    x = 38,191,710.20/8,080.02
  6. Step 6: Final answer
    x = 4,726.69

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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.