Home / 8,394.20-12,588.61-2,770.61

Finding the Fourth Proportional to 8,394.20, 12,588.61 and 2,770.61

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Solution

The fourth proportional to 8,394.20, 12,588.61 and 2,770.61 is: 4,155.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,394.20 : 12,588.61 = 2,770.61 : x
  2. Step 2: Convert to fraction form
    8,394.20/12,588.61 = 2,770.61/x
  3. Step 3: Cross multiply
    8,394.20x = 12,588.61 × 2,770.61
  4. Step 4: Simplify right side
    8,394.20x = 34,878,114.90
  5. Step 5: Solve for x
    x = 34,878,114.90/8,394.20
  6. Step 6: Final answer
    x = 4,155.03

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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.