Home / 8,174.20-12,254.10-3,247.16

Finding the Fourth Proportional to 8,174.20, 12,254.10 and 3,247.16

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Solution

The fourth proportional to 8,174.20, 12,254.10 and 3,247.16 is: 4,867.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,174.20 : 12,254.10 = 3,247.16 : x
  2. Step 2: Convert to fraction form
    8,174.20/12,254.10 = 3,247.16/x
  3. Step 3: Cross multiply
    8,174.20x = 12,254.10 × 3,247.16
  4. Step 4: Simplify right side
    8,174.20x = 39,791,023.36
  5. Step 5: Solve for x
    x = 39,791,023.36/8,174.20
  6. Step 6: Final answer
    x = 4,867.88

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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.