Home / 6,101.20-9,138.84-5,174.56

Finding the Fourth Proportional to 6,101.20, 9,138.84 and 5,174.56

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Solution

The fourth proportional to 6,101.20, 9,138.84 and 5,174.56 is: 7,750.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,101.20 : 9,138.84 = 5,174.56 : x
  2. Step 2: Convert to fraction form
    6,101.20/9,138.84 = 5,174.56/x
  3. Step 3: Cross multiply
    6,101.20x = 9,138.84 × 5,174.56
  4. Step 4: Simplify right side
    6,101.20x = 47,289,475.91
  5. Step 5: Solve for x
    x = 47,289,475.91/6,101.20
  6. Step 6: Final answer
    x = 7,750.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.