Home / 10,352.80-15,517.05-3,774.79

Finding the Fourth Proportional to 10,352.80, 15,517.05 and 3,774.79

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Solution

The fourth proportional to 10,352.80, 15,517.05 and 3,774.79 is: 5,657.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,352.80 : 15,517.05 = 3,774.79 : x
  2. Step 2: Convert to fraction form
    10,352.80/15,517.05 = 3,774.79/x
  3. Step 3: Cross multiply
    10,352.80x = 15,517.05 × 3,774.79
  4. Step 4: Simplify right side
    10,352.80x = 58,573,605.17
  5. Step 5: Solve for x
    x = 58,573,605.17/10,352.80
  6. Step 6: Final answer
    x = 5,657.75

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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.