Home / 8,104.88-12,158.33-2,910.75

Finding the Fourth Proportional to 8,104.88, 12,158.33 and 2,910.75

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Solution

The fourth proportional to 8,104.88, 12,158.33 and 2,910.75 is: 4,366.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,104.88 : 12,158.33 = 2,910.75 : x
  2. Step 2: Convert to fraction form
    8,104.88/12,158.33 = 2,910.75/x
  3. Step 3: Cross multiply
    8,104.88x = 12,158.33 × 2,910.75
  4. Step 4: Simplify right side
    8,104.88x = 35,389,844.49
  5. Step 5: Solve for x
    x = 35,389,844.49/8,104.88
  6. Step 6: Final answer
    x = 4,366.49

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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.