Home / 5,132.49-7,082.19-2,894.28

Finding the Fourth Proportional to 5,132.49, 7,082.19 and 2,894.28

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Solution

The fourth proportional to 5,132.49, 7,082.19 and 2,894.28 is: 3,993.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,132.49 : 7,082.19 = 2,894.28 : x
  2. Step 2: Convert to fraction form
    5,132.49/7,082.19 = 2,894.28/x
  3. Step 3: Cross multiply
    5,132.49x = 7,082.19 × 2,894.28
  4. Step 4: Simplify right side
    5,132.49x = 20,497,840.87
  5. Step 5: Solve for x
    x = 20,497,840.87/5,132.49
  6. Step 6: Final answer
    x = 3,993.74

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