Home / 8,390.13-12,584.33-2,843.33

Finding the Fourth Proportional to 8,390.13, 12,584.33 and 2,843.33

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Solution

The fourth proportional to 8,390.13, 12,584.33 and 2,843.33 is: 4,264.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,390.13 : 12,584.33 = 2,843.33 : x
  2. Step 2: Convert to fraction form
    8,390.13/12,584.33 = 2,843.33/x
  3. Step 3: Cross multiply
    8,390.13x = 12,584.33 × 2,843.33
  4. Step 4: Simplify right side
    8,390.13x = 35,781,418.75
  5. Step 5: Solve for x
    x = 35,781,418.75/8,390.13
  6. Step 6: Final answer
    x = 4,264.70

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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.