Home / 8,089.28-11,166.65-5,438.22

Finding the Fourth Proportional to 8,089.28, 11,166.65 and 5,438.22

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Solution

The fourth proportional to 8,089.28, 11,166.65 and 5,438.22 is: 7,507.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,089.28 : 11,166.65 = 5,438.22 : x
  2. Step 2: Convert to fraction form
    8,089.28/11,166.65 = 5,438.22/x
  3. Step 3: Cross multiply
    8,089.28x = 11,166.65 × 5,438.22
  4. Step 4: Simplify right side
    8,089.28x = 60,726,713.91
  5. Step 5: Solve for x
    x = 60,726,713.91/8,089.28
  6. Step 6: Final answer
    x = 7,507.06

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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.