Home / 8,230.11-12,340.96-2,679.89

Finding the Fourth Proportional to 8,230.11, 12,340.96 and 2,679.89

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Solution

The fourth proportional to 8,230.11, 12,340.96 and 2,679.89 is: 4,018.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,230.11 : 12,340.96 = 2,679.89 : x
  2. Step 2: Convert to fraction form
    8,230.11/12,340.96 = 2,679.89/x
  3. Step 3: Cross multiply
    8,230.11x = 12,340.96 × 2,679.89
  4. Step 4: Simplify right side
    8,230.11x = 33,072,346.89
  5. Step 5: Solve for x
    x = 33,072,346.89/8,230.11
  6. Step 6: Final answer
    x = 4,018.46

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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.