Home / 5,195.60-7,170.54-2,958.20

Finding the Fourth Proportional to 5,195.60, 7,170.54 and 2,958.20

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Solution

The fourth proportional to 5,195.60, 7,170.54 and 2,958.20 is: 4,082.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,195.60 : 7,170.54 = 2,958.20 : x
  2. Step 2: Convert to fraction form
    5,195.60/7,170.54 = 2,958.20/x
  3. Step 3: Cross multiply
    5,195.60x = 7,170.54 × 2,958.20
  4. Step 4: Simplify right side
    5,195.60x = 21,211,891.43
  5. Step 5: Solve for x
    x = 21,211,891.43/5,195.60
  6. Step 6: Final answer
    x = 4,082.66

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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.