Home / 10,078.46-15,117.70-3,837

Finding the Fourth Proportional to 10,078.46, 15,117.70 and 3,837

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Solution

The fourth proportional to 10,078.46, 15,117.70 and 3,837 is: 5,755.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,078.46 : 15,117.70 = 3,837 : x
  2. Step 2: Convert to fraction form
    10,078.46/15,117.70 = 3,837/x
  3. Step 3: Cross multiply
    10,078.46x = 15,117.70 × 3,837
  4. Step 4: Simplify right side
    10,078.46x = 58,006,614.90
  5. Step 5: Solve for x
    x = 58,006,614.90/10,078.46
  6. Step 6: Final answer
    x = 5,755.50

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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.