Home / 8,679.29-13,020.08-2,833.92

Finding the Fourth Proportional to 8,679.29, 13,020.08 and 2,833.92

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Solution

The fourth proportional to 8,679.29, 13,020.08 and 2,833.92 is: 4,251.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,679.29 : 13,020.08 = 2,833.92 : x
  2. Step 2: Convert to fraction form
    8,679.29/13,020.08 = 2,833.92/x
  3. Step 3: Cross multiply
    8,679.29x = 13,020.08 × 2,833.92
  4. Step 4: Simplify right side
    8,679.29x = 36,897,850.94
  5. Step 5: Solve for x
    x = 36,897,850.94/8,679.29
  6. Step 6: Final answer
    x = 4,251.25

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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.