Home / 8,726.46-12,043.26-5,191.62

Finding the Fourth Proportional to 8,726.46, 12,043.26 and 5,191.62

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Solution

The fourth proportional to 8,726.46, 12,043.26 and 5,191.62 is: 7,164.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,726.46 : 12,043.26 = 5,191.62 : x
  2. Step 2: Convert to fraction form
    8,726.46/12,043.26 = 5,191.62/x
  3. Step 3: Cross multiply
    8,726.46x = 12,043.26 × 5,191.62
  4. Step 4: Simplify right side
    8,726.46x = 62,524,029.48
  5. Step 5: Solve for x
    x = 62,524,029.48/8,726.46
  6. Step 6: Final answer
    x = 7,164.88

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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.