Home / 8,920.39-13,372.30-3,294.95

Finding the Fourth Proportional to 8,920.39, 13,372.30 and 3,294.95

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Solution

The fourth proportional to 8,920.39, 13,372.30 and 3,294.95 is: 4,939.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,920.39 : 13,372.30 = 3,294.95 : x
  2. Step 2: Convert to fraction form
    8,920.39/13,372.30 = 3,294.95/x
  3. Step 3: Cross multiply
    8,920.39x = 13,372.30 × 3,294.95
  4. Step 4: Simplify right side
    8,920.39x = 44,061,059.89
  5. Step 5: Solve for x
    x = 44,061,059.89/8,920.39
  6. Step 6: Final answer
    x = 4,939.36

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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.