Home / 8,132.19-12,202.90-3,749.65

Finding the Fourth Proportional to 8,132.19, 12,202.90 and 3,749.65

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Solution

The fourth proportional to 8,132.19, 12,202.90 and 3,749.65 is: 5,626.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,132.19 : 12,202.90 = 3,749.65 : x
  2. Step 2: Convert to fraction form
    8,132.19/12,202.90 = 3,749.65/x
  3. Step 3: Cross multiply
    8,132.19x = 12,202.90 × 3,749.65
  4. Step 4: Simplify right side
    8,132.19x = 45,756,638.32
  5. Step 5: Solve for x
    x = 45,756,638.32/8,132.19
  6. Step 6: Final answer
    x = 5,626.60

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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.