Home / 7,393.28-11,084.45-3,493.13

Finding the Fourth Proportional to 7,393.28, 11,084.45 and 3,493.13

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Solution

The fourth proportional to 7,393.28, 11,084.45 and 3,493.13 is: 5,237.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,393.28 : 11,084.45 = 3,493.13 : x
  2. Step 2: Convert to fraction form
    7,393.28/11,084.45 = 3,493.13/x
  3. Step 3: Cross multiply
    7,393.28x = 11,084.45 × 3,493.13
  4. Step 4: Simplify right side
    7,393.28x = 38,719,351.94
  5. Step 5: Solve for x
    x = 38,719,351.94/7,393.28
  6. Step 6: Final answer
    x = 5,237.10

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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.