Home / 8,786.28-13,180.50-3,591.48

Finding the Fourth Proportional to 8,786.28, 13,180.50 and 3,591.48

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Solution

The fourth proportional to 8,786.28, 13,180.50 and 3,591.48 is: 5,387.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,786.28 : 13,180.50 = 3,591.48 : x
  2. Step 2: Convert to fraction form
    8,786.28/13,180.50 = 3,591.48/x
  3. Step 3: Cross multiply
    8,786.28x = 13,180.50 × 3,591.48
  4. Step 4: Simplify right side
    8,786.28x = 47,337,502.14
  5. Step 5: Solve for x
    x = 47,337,502.14/8,786.28
  6. Step 6: Final answer
    x = 5,387.66

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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.