Home / 8,307.94-12,454.92-3,381.11

Finding the Fourth Proportional to 8,307.94, 12,454.92 and 3,381.11

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Solution

The fourth proportional to 8,307.94, 12,454.92 and 3,381.11 is: 5,068.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,307.94 : 12,454.92 = 3,381.11 : x
  2. Step 2: Convert to fraction form
    8,307.94/12,454.92 = 3,381.11/x
  3. Step 3: Cross multiply
    8,307.94x = 12,454.92 × 3,381.11
  4. Step 4: Simplify right side
    8,307.94x = 42,111,485.70
  5. Step 5: Solve for x
    x = 42,111,485.70/8,307.94
  6. Step 6: Final answer
    x = 5,068.83

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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.