Home / 5,132.44-7,082.76-2,894.31

Finding the Fourth Proportional to 5,132.44, 7,082.76 and 2,894.31

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Solution

The fourth proportional to 5,132.44, 7,082.76 and 2,894.31 is: 3,994.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,132.44 : 7,082.76 = 2,894.31 : x
  2. Step 2: Convert to fraction form
    5,132.44/7,082.76 = 2,894.31/x
  3. Step 3: Cross multiply
    5,132.44x = 7,082.76 × 2,894.31
  4. Step 4: Simplify right side
    5,132.44x = 20,499,713.95
  5. Step 5: Solve for x
    x = 20,499,713.95/5,132.44
  6. Step 6: Final answer
    x = 3,994.14

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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.