Home / 7,387.32-11,080.88-1,840.71

Finding the Fourth Proportional to 7,387.32, 11,080.88 and 1,840.71

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Solution

The fourth proportional to 7,387.32, 11,080.88 and 1,840.71 is: 2,761.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,387.32 : 11,080.88 = 1,840.71 : x
  2. Step 2: Convert to fraction form
    7,387.32/11,080.88 = 1,840.71/x
  3. Step 3: Cross multiply
    7,387.32x = 11,080.88 × 1,840.71
  4. Step 4: Simplify right side
    7,387.32x = 20,396,686.62
  5. Step 5: Solve for x
    x = 20,396,686.62/7,387.32
  6. Step 6: Final answer
    x = 2,761.04

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Similar ratio
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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.