Home / 5,180.11-7,151.25-4,027.75

Finding the Fourth Proportional to 5,180.11, 7,151.25 and 4,027.75

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Solution

The fourth proportional to 5,180.11, 7,151.25 and 4,027.75 is: 5,560.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,180.11 : 7,151.25 = 4,027.75 : x
  2. Step 2: Convert to fraction form
    5,180.11/7,151.25 = 4,027.75/x
  3. Step 3: Cross multiply
    5,180.11x = 7,151.25 × 4,027.75
  4. Step 4: Simplify right side
    5,180.11x = 28,803,429.31
  5. Step 5: Solve for x
    x = 28,803,429.31/5,180.11
  6. Step 6: Final answer
    x = 5,560.39

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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.