Home / 5,132.34-7,082.64-2,774.49

Finding the Fourth Proportional to 5,132.34, 7,082.64 and 2,774.49

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Solution

The fourth proportional to 5,132.34, 7,082.64 and 2,774.49 is: 3,828.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,132.34 : 7,082.64 = 2,774.49 : x
  2. Step 2: Convert to fraction form
    5,132.34/7,082.64 = 2,774.49/x
  3. Step 3: Cross multiply
    5,132.34x = 7,082.64 × 2,774.49
  4. Step 4: Simplify right side
    5,132.34x = 19,650,713.85
  5. Step 5: Solve for x
    x = 19,650,713.85/5,132.34
  6. Step 6: Final answer
    x = 3,828.80

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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.