Home / 10,252.11-15,377.52-2,857.62

Finding the Fourth Proportional to 10,252.11, 15,377.52 and 2,857.62

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Solution

The fourth proportional to 10,252.11, 15,377.52 and 2,857.62 is: 4,286.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,252.11 : 15,377.52 = 2,857.62 : x
  2. Step 2: Convert to fraction form
    10,252.11/15,377.52 = 2,857.62/x
  3. Step 3: Cross multiply
    10,252.11x = 15,377.52 × 2,857.62
  4. Step 4: Simplify right side
    10,252.11x = 43,943,108.70
  5. Step 5: Solve for x
    x = 43,943,108.70/10,252.11
  6. Step 6: Final answer
    x = 4,286.25

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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.