Home / 8,141.90-12,203.41-3,750.13

Finding the Fourth Proportional to 8,141.90, 12,203.41 and 3,750.13

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Solution

The fourth proportional to 8,141.90, 12,203.41 and 3,750.13 is: 5,620.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,141.90 : 12,203.41 = 3,750.13 : x
  2. Step 2: Convert to fraction form
    8,141.90/12,203.41 = 3,750.13/x
  3. Step 3: Cross multiply
    8,141.90x = 12,203.41 × 3,750.13
  4. Step 4: Simplify right side
    8,141.90x = 45,764,373.94
  5. Step 5: Solve for x
    x = 45,764,373.94/8,141.90
  6. Step 6: Final answer
    x = 5,620.85

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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.