Home / 5,132.30-7,082.63-2,894.12

Finding the Fourth Proportional to 5,132.30, 7,082.63 and 2,894.12

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Solution

The fourth proportional to 5,132.30, 7,082.63 and 2,894.12 is: 3,993.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,132.30 : 7,082.63 = 2,894.12 : x
  2. Step 2: Convert to fraction form
    5,132.30/7,082.63 = 2,894.12/x
  3. Step 3: Cross multiply
    5,132.30x = 7,082.63 × 2,894.12
  4. Step 4: Simplify right side
    5,132.30x = 20,497,931.25
  5. Step 5: Solve for x
    x = 20,497,931.25/5,132.30
  6. Step 6: Final answer
    x = 3,993.91

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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.