Home / 6,138.18-9,202.95-3,170.75

Finding the Fourth Proportional to 6,138.18, 9,202.95 and 3,170.75

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Solution

The fourth proportional to 6,138.18, 9,202.95 and 3,170.75 is: 4,753.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,138.18 : 9,202.95 = 3,170.75 : x
  2. Step 2: Convert to fraction form
    6,138.18/9,202.95 = 3,170.75/x
  3. Step 3: Cross multiply
    6,138.18x = 9,202.95 × 3,170.75
  4. Step 4: Simplify right side
    6,138.18x = 29,180,207.70
  5. Step 5: Solve for x
    x = 29,180,207.70/6,138.18
  6. Step 6: Final answer
    x = 4,753.89

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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.