Home / 6,387.12-9,574.20-2,691.63

Finding the Fourth Proportional to 6,387.12, 9,574.20 and 2,691.63

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Solution

The fourth proportional to 6,387.12, 9,574.20 and 2,691.63 is: 4,034.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,387.12 : 9,574.20 = 2,691.63 : x
  2. Step 2: Convert to fraction form
    6,387.12/9,574.20 = 2,691.63/x
  3. Step 3: Cross multiply
    6,387.12x = 9,574.20 × 2,691.63
  4. Step 4: Simplify right side
    6,387.12x = 25,770,203.95
  5. Step 5: Solve for x
    x = 25,770,203.95/6,387.12
  6. Step 6: Final answer
    x = 4,034.71

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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.