Home / 5,132.42-7,082.74-2,774.56

Finding the Fourth Proportional to 5,132.42, 7,082.74 and 2,774.56

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Solution

The fourth proportional to 5,132.42, 7,082.74 and 2,774.56 is: 3,828.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,132.42 : 7,082.74 = 2,774.56 : x
  2. Step 2: Convert to fraction form
    5,132.42/7,082.74 = 2,774.56/x
  3. Step 3: Cross multiply
    5,132.42x = 7,082.74 × 2,774.56
  4. Step 4: Simplify right side
    5,132.42x = 19,651,487.09
  5. Step 5: Solve for x
    x = 19,651,487.09/5,132.42
  6. Step 6: Final answer
    x = 3,828.89

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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.