Home / 8,319.68-12,476.34-2,771.96

Finding the Fourth Proportional to 8,319.68, 12,476.34 and 2,771.96

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Solution

The fourth proportional to 8,319.68, 12,476.34 and 2,771.96 is: 4,156.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,319.68 : 12,476.34 = 2,771.96 : x
  2. Step 2: Convert to fraction form
    8,319.68/12,476.34 = 2,771.96/x
  3. Step 3: Cross multiply
    8,319.68x = 12,476.34 × 2,771.96
  4. Step 4: Simplify right side
    8,319.68x = 34,583,915.43
  5. Step 5: Solve for x
    x = 34,583,915.43/8,319.68
  6. Step 6: Final answer
    x = 4,156.88

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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.