Home / 8,118.28-11,198.82-5,323.24

Finding the Fourth Proportional to 8,118.28, 11,198.82 and 5,323.24

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Solution

The fourth proportional to 8,118.28, 11,198.82 and 5,323.24 is: 7,343.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,118.28 : 11,198.82 = 5,323.24 : x
  2. Step 2: Convert to fraction form
    8,118.28/11,198.82 = 5,323.24/x
  3. Step 3: Cross multiply
    8,118.28x = 11,198.82 × 5,323.24
  4. Step 4: Simplify right side
    8,118.28x = 59,614,006.58
  5. Step 5: Solve for x
    x = 59,614,006.58/8,118.28
  6. Step 6: Final answer
    x = 7,343.18

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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.