Home / 8,320.19-12,474.12-3,932.52

Finding the Fourth Proportional to 8,320.19, 12,474.12 and 3,932.52

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Solution

The fourth proportional to 8,320.19, 12,474.12 and 3,932.52 is: 5,895.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,320.19 : 12,474.12 = 3,932.52 : x
  2. Step 2: Convert to fraction form
    8,320.19/12,474.12 = 3,932.52/x
  3. Step 3: Cross multiply
    8,320.19x = 12,474.12 × 3,932.52
  4. Step 4: Simplify right side
    8,320.19x = 49,054,726.38
  5. Step 5: Solve for x
    x = 49,054,726.38/8,320.19
  6. Step 6: Final answer
    x = 5,895.87

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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.