Home / 8,467.88-11,685.31-4,691.20

Finding the Fourth Proportional to 8,467.88, 11,685.31 and 4,691.20

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Solution

The fourth proportional to 8,467.88, 11,685.31 and 4,691.20 is: 6,473.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,467.88 : 11,685.31 = 4,691.20 : x
  2. Step 2: Convert to fraction form
    8,467.88/11,685.31 = 4,691.20/x
  3. Step 3: Cross multiply
    8,467.88x = 11,685.31 × 4,691.20
  4. Step 4: Simplify right side
    8,467.88x = 54,818,126.27
  5. Step 5: Solve for x
    x = 54,818,126.27/8,467.88
  6. Step 6: Final answer
    x = 6,473.65

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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.