Home / 8,429.26-12,643.89-2,882.66

Finding the Fourth Proportional to 8,429.26, 12,643.89 and 2,882.66

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Solution

The fourth proportional to 8,429.26, 12,643.89 and 2,882.66 is: 4,323.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,429.26 : 12,643.89 = 2,882.66 : x
  2. Step 2: Convert to fraction form
    8,429.26/12,643.89 = 2,882.66/x
  3. Step 3: Cross multiply
    8,429.26x = 12,643.89 × 2,882.66
  4. Step 4: Simplify right side
    8,429.26x = 36,447,972.73
  5. Step 5: Solve for x
    x = 36,447,972.73/8,429.26
  6. Step 6: Final answer
    x = 4,323.99

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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.