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Finding the Fourth Proportional to 7,393.28, 11,089.91 and 7,073.33

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Solution

The fourth proportional to 7,393.28, 11,089.91 and 7,073.33 is: 10,609.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,393.28 : 11,089.91 = 7,073.33 : x
  2. Step 2: Convert to fraction form
    7,393.28/11,089.91 = 7,073.33/x
  3. Step 3: Cross multiply
    7,393.28x = 11,089.91 × 7,073.33
  4. Step 4: Simplify right side
    7,393.28x = 78,442,555.33
  5. Step 5: Solve for x
    x = 78,442,555.33/7,393.28
  6. Step 6: Final answer
    x = 10,609.99

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Similar ratio
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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.