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Finding the Fourth Proportional to 8,169.80, 12,253.19 and 3,726.45

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Solution

The fourth proportional to 8,169.80, 12,253.19 and 3,726.45 is: 5,588.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,169.80 : 12,253.19 = 3,726.45 : x
  2. Step 2: Convert to fraction form
    8,169.80/12,253.19 = 3,726.45/x
  3. Step 3: Cross multiply
    8,169.80x = 12,253.19 × 3,726.45
  4. Step 4: Simplify right side
    8,169.80x = 45,660,881.24
  5. Step 5: Solve for x
    x = 45,660,881.24/8,169.80
  6. Step 6: Final answer
    x = 5,588.99

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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.