Home / 7,868.43-11,799.11-2,319.83

Finding the Fourth Proportional to 7,868.43, 11,799.11 and 2,319.83

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Solution

The fourth proportional to 7,868.43, 11,799.11 and 2,319.83 is: 3,478.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,868.43 : 11,799.11 = 2,319.83 : x
  2. Step 2: Convert to fraction form
    7,868.43/11,799.11 = 2,319.83/x
  3. Step 3: Cross multiply
    7,868.43x = 11,799.11 × 2,319.83
  4. Step 4: Simplify right side
    7,868.43x = 27,371,920.40
  5. Step 5: Solve for x
    x = 27,371,920.40/7,868.43
  6. Step 6: Final answer
    x = 3,478.70

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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.