Home / 8,679.21-13,019.98-2,833.89

Finding the Fourth Proportional to 8,679.21, 13,019.98 and 2,833.89

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Solution

The fourth proportional to 8,679.21, 13,019.98 and 2,833.89 is: 4,251.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,679.21 : 13,019.98 = 2,833.89 : x
  2. Step 2: Convert to fraction form
    8,679.21/13,019.98 = 2,833.89/x
  3. Step 3: Cross multiply
    8,679.21x = 13,019.98 × 2,833.89
  4. Step 4: Simplify right side
    8,679.21x = 36,897,191.12
  5. Step 5: Solve for x
    x = 36,897,191.12/8,679.21
  6. Step 6: Final answer
    x = 4,251.22

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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.