Home / 5,076.88-7,613.40-2,156.56

Finding the Fourth Proportional to 5,076.88, 7,613.40 and 2,156.56

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Solution

The fourth proportional to 5,076.88, 7,613.40 and 2,156.56 is: 3,234.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,076.88 : 7,613.40 = 2,156.56 : x
  2. Step 2: Convert to fraction form
    5,076.88/7,613.40 = 2,156.56/x
  3. Step 3: Cross multiply
    5,076.88x = 7,613.40 × 2,156.56
  4. Step 4: Simplify right side
    5,076.88x = 16,418,753.90
  5. Step 5: Solve for x
    x = 16,418,753.90/5,076.88
  6. Step 6: Final answer
    x = 3,234.02

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1.5x scale

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.