Home / 5,144.40-7,096.56-3,965.04

Finding the Fourth Proportional to 5,144.40, 7,096.56 and 3,965.04

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Solution

The fourth proportional to 5,144.40, 7,096.56 and 3,965.04 is: 5,469.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,144.40 : 7,096.56 = 3,965.04 : x
  2. Step 2: Convert to fraction form
    5,144.40/7,096.56 = 3,965.04/x
  3. Step 3: Cross multiply
    5,144.40x = 7,096.56 × 3,965.04
  4. Step 4: Simplify right side
    5,144.40x = 28,138,144.26
  5. Step 5: Solve for x
    x = 28,138,144.26/5,144.40
  6. Step 6: Final answer
    x = 5,469.66

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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.