Home / 8,020.19-12,032.34-3,338.65

Finding the Fourth Proportional to 8,020.19, 12,032.34 and 3,338.65

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Solution

The fourth proportional to 8,020.19, 12,032.34 and 3,338.65 is: 5,008.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,020.19 : 12,032.34 = 3,338.65 : x
  2. Step 2: Convert to fraction form
    8,020.19/12,032.34 = 3,338.65/x
  3. Step 3: Cross multiply
    8,020.19x = 12,032.34 × 3,338.65
  4. Step 4: Simplify right side
    8,020.19x = 40,171,711.78
  5. Step 5: Solve for x
    x = 40,171,711.78/8,020.19
  6. Step 6: Final answer
    x = 5,008.82

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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.