Home / 8,306.21-12,459.24-2,759.96

Finding the Fourth Proportional to 8,306.21, 12,459.24 and 2,759.96

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Solution

The fourth proportional to 8,306.21, 12,459.24 and 2,759.96 is: 4,139.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,306.21 : 12,459.24 = 2,759.96 : x
  2. Step 2: Convert to fraction form
    8,306.21/12,459.24 = 2,759.96/x
  3. Step 3: Cross multiply
    8,306.21x = 12,459.24 × 2,759.96
  4. Step 4: Simplify right side
    8,306.21x = 34,387,035.18
  5. Step 5: Solve for x
    x = 34,387,035.18/8,306.21
  6. Step 6: Final answer
    x = 4,139.92

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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.