Home / 8,429.40-12,644.52-2,882.52

Finding the Fourth Proportional to 8,429.40, 12,644.52 and 2,882.52

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Solution

The fourth proportional to 8,429.40, 12,644.52 and 2,882.52 is: 4,323.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,429.40 : 12,644.52 = 2,882.52 : x
  2. Step 2: Convert to fraction form
    8,429.40/12,644.52 = 2,882.52/x
  3. Step 3: Cross multiply
    8,429.40x = 12,644.52 × 2,882.52
  4. Step 4: Simplify right side
    8,429.40x = 36,448,081.79
  5. Step 5: Solve for x
    x = 36,448,081.79/8,429.40
  6. Step 6: Final answer
    x = 4,323.92

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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.