Home / 8,209.18-11,327.61-4,623.70

Finding the Fourth Proportional to 8,209.18, 11,327.61 and 4,623.70

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Solution

The fourth proportional to 8,209.18, 11,327.61 and 4,623.70 is: 6,380.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,209.18 : 11,327.61 = 4,623.70 : x
  2. Step 2: Convert to fraction form
    8,209.18/11,327.61 = 4,623.70/x
  3. Step 3: Cross multiply
    8,209.18x = 11,327.61 × 4,623.70
  4. Step 4: Simplify right side
    8,209.18x = 52,375,470.36
  5. Step 5: Solve for x
    x = 52,375,470.36/8,209.18
  6. Step 6: Final answer
    x = 6,380.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.