Home / 8,080.32-11,151.52-4,722.68

Finding the Fourth Proportional to 8,080.32, 11,151.52 and 4,722.68

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Solution

The fourth proportional to 8,080.32, 11,151.52 and 4,722.68 is: 6,517.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,080.32 : 11,151.52 = 4,722.68 : x
  2. Step 2: Convert to fraction form
    8,080.32/11,151.52 = 4,722.68/x
  3. Step 3: Cross multiply
    8,080.32x = 11,151.52 × 4,722.68
  4. Step 4: Simplify right side
    8,080.32x = 52,665,060.47
  5. Step 5: Solve for x
    x = 52,665,060.47/8,080.32
  6. Step 6: Final answer
    x = 6,517.69

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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.