Home / 8,479.08-12,719.18-2,932.96

Finding the Fourth Proportional to 8,479.08, 12,719.18 and 2,932.96

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Solution

The fourth proportional to 8,479.08, 12,719.18 and 2,932.96 is: 4,399.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,479.08 : 12,719.18 = 2,932.96 : x
  2. Step 2: Convert to fraction form
    8,479.08/12,719.18 = 2,932.96/x
  3. Step 3: Cross multiply
    8,479.08x = 12,719.18 × 2,932.96
  4. Step 4: Simplify right side
    8,479.08x = 37,304,846.17
  5. Step 5: Solve for x
    x = 37,304,846.17/8,479.08
  6. Step 6: Final answer
    x = 4,399.63

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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.