Home / 8,753.90-12,080.67-4,775.18

Finding the Fourth Proportional to 8,753.90, 12,080.67 and 4,775.18

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Solution

The fourth proportional to 8,753.90, 12,080.67 and 4,775.18 is: 6,589.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,753.90 : 12,080.67 = 4,775.18 : x
  2. Step 2: Convert to fraction form
    8,753.90/12,080.67 = 4,775.18/x
  3. Step 3: Cross multiply
    8,753.90x = 12,080.67 × 4,775.18
  4. Step 4: Simplify right side
    8,753.90x = 57,687,403.97
  5. Step 5: Solve for x
    x = 57,687,403.97/8,753.90
  6. Step 6: Final answer
    x = 6,589.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.