Home / 5,144.53-7,099.85-2,876.08

Finding the Fourth Proportional to 5,144.53, 7,099.85 and 2,876.08

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Solution

The fourth proportional to 5,144.53, 7,099.85 and 2,876.08 is: 3,969.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,144.53 : 7,099.85 = 2,876.08 : x
  2. Step 2: Convert to fraction form
    5,144.53/7,099.85 = 2,876.08/x
  3. Step 3: Cross multiply
    5,144.53x = 7,099.85 × 2,876.08
  4. Step 4: Simplify right side
    5,144.53x = 20,419,700.73
  5. Step 5: Solve for x
    x = 20,419,700.73/5,144.53
  6. Step 6: Final answer
    x = 3,969.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.