Home / 8,126.30-12,189.46-2,932.18

Finding the Fourth Proportional to 8,126.30, 12,189.46 and 2,932.18

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Solution

The fourth proportional to 8,126.30, 12,189.46 and 2,932.18 is: 4,398.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,126.30 : 12,189.46 = 2,932.18 : x
  2. Step 2: Convert to fraction form
    8,126.30/12,189.46 = 2,932.18/x
  3. Step 3: Cross multiply
    8,126.30x = 12,189.46 × 2,932.18
  4. Step 4: Simplify right side
    8,126.30x = 35,741,690.82
  5. Step 5: Solve for x
    x = 35,741,690.82/8,126.30
  6. Step 6: Final answer
    x = 4,398.27

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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.