Home / 5,311.61-7,967.42-2,529.85

Finding the Fourth Proportional to 5,311.61, 7,967.42 and 2,529.85

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Solution

The fourth proportional to 5,311.61, 7,967.42 and 2,529.85 is: 3,794.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,311.61 : 7,967.42 = 2,529.85 : x
  2. Step 2: Convert to fraction form
    5,311.61/7,967.42 = 2,529.85/x
  3. Step 3: Cross multiply
    5,311.61x = 7,967.42 × 2,529.85
  4. Step 4: Simplify right side
    5,311.61x = 20,156,364.84
  5. Step 5: Solve for x
    x = 20,156,364.84/5,311.61
  6. Step 6: Final answer
    x = 3,794.78

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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.