Home / 5,132.72-7,083.13-2,774.85

Finding the Fourth Proportional to 5,132.72, 7,083.13 and 2,774.85

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Solution

The fourth proportional to 5,132.72, 7,083.13 and 2,774.85 is: 3,829.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,132.72 : 7,083.13 = 2,774.85 : x
  2. Step 2: Convert to fraction form
    5,132.72/7,083.13 = 2,774.85/x
  3. Step 3: Cross multiply
    5,132.72x = 7,083.13 × 2,774.85
  4. Step 4: Simplify right side
    5,132.72x = 19,654,609.41
  5. Step 5: Solve for x
    x = 19,654,609.41/5,132.72
  6. Step 6: Final answer
    x = 3,829.28

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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.