Home / 8,141.12-12,203.18-3,761.46

Finding the Fourth Proportional to 8,141.12, 12,203.18 and 3,761.46

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Solution

The fourth proportional to 8,141.12, 12,203.18 and 3,761.46 is: 5,638.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,141.12 : 12,203.18 = 3,761.46 : x
  2. Step 2: Convert to fraction form
    8,141.12/12,203.18 = 3,761.46/x
  3. Step 3: Cross multiply
    8,141.12x = 12,203.18 × 3,761.46
  4. Step 4: Simplify right side
    8,141.12x = 45,901,773.44
  5. Step 5: Solve for x
    x = 45,901,773.44/8,141.12
  6. Step 6: Final answer
    x = 5,638.26

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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.