Home / 6,287.44-9,432.18-2,127.70

Finding the Fourth Proportional to 6,287.44, 9,432.18 and 2,127.70

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Solution

The fourth proportional to 6,287.44, 9,432.18 and 2,127.70 is: 3,191.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,287.44 : 9,432.18 = 2,127.70 : x
  2. Step 2: Convert to fraction form
    6,287.44/9,432.18 = 2,127.70/x
  3. Step 3: Cross multiply
    6,287.44x = 9,432.18 × 2,127.70
  4. Step 4: Simplify right side
    6,287.44x = 20,068,849.39
  5. Step 5: Solve for x
    x = 20,068,849.39/6,287.44
  6. Step 6: Final answer
    x = 3,191.90

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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.