Home / 10,207.50-15,311.25-3,282

Finding the Fourth Proportional to 10,207.50, 15,311.25 and 3,282

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Solution

The fourth proportional to 10,207.50, 15,311.25 and 3,282 is: 4,923

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,207.50 : 15,311.25 = 3,282 : x
  2. Step 2: Convert to fraction form
    10,207.50/15,311.25 = 3,282/x
  3. Step 3: Cross multiply
    10,207.50x = 15,311.25 × 3,282
  4. Step 4: Simplify right side
    10,207.50x = 50,251,522.50
  5. Step 5: Solve for x
    x = 50,251,522.50/10,207.50
  6. Step 6: Final answer
    x = 4,923

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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.