Home / 5,150.67-7,105.18-3,134.70

Finding the Fourth Proportional to 5,150.67, 7,105.18 and 3,134.70

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Solution

The fourth proportional to 5,150.67, 7,105.18 and 3,134.70 is: 4,324.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,150.67 : 7,105.18 = 3,134.70 : x
  2. Step 2: Convert to fraction form
    5,150.67/7,105.18 = 3,134.70/x
  3. Step 3: Cross multiply
    5,150.67x = 7,105.18 × 3,134.70
  4. Step 4: Simplify right side
    5,150.67x = 22,272,607.75
  5. Step 5: Solve for x
    x = 22,272,607.75/5,150.67
  6. Step 6: Final answer
    x = 4,324.22

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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.