Home / 8,517.18-12,774.96-2,969.49

Finding the Fourth Proportional to 8,517.18, 12,774.96 and 2,969.49

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Solution

The fourth proportional to 8,517.18, 12,774.96 and 2,969.49 is: 4,453.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,517.18 : 12,774.96 = 2,969.49 : x
  2. Step 2: Convert to fraction form
    8,517.18/12,774.96 = 2,969.49/x
  3. Step 3: Cross multiply
    8,517.18x = 12,774.96 × 2,969.49
  4. Step 4: Simplify right side
    8,517.18x = 37,935,115.97
  5. Step 5: Solve for x
    x = 37,935,115.97/8,517.18
  6. Step 6: Final answer
    x = 4,453.95

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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.