Home / 5,132.18-7,082.38-2,894.08

Finding the Fourth Proportional to 5,132.18, 7,082.38 and 2,894.08

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Solution

The fourth proportional to 5,132.18, 7,082.38 and 2,894.08 is: 3,993.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,132.18 : 7,082.38 = 2,894.08 : x
  2. Step 2: Convert to fraction form
    5,132.18/7,082.38 = 2,894.08/x
  3. Step 3: Cross multiply
    5,132.18x = 7,082.38 × 2,894.08
  4. Step 4: Simplify right side
    5,132.18x = 20,496,938.90
  5. Step 5: Solve for x
    x = 20,496,938.90/5,132.18
  6. Step 6: Final answer
    x = 3,993.81

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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.