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Finding the Fourth Proportional to 7,373.54, 11,053.95 and 3,475.22

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Solution

The fourth proportional to 7,373.54, 11,053.95 and 3,475.22 is: 5,209.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,373.54 : 11,053.95 = 3,475.22 : x
  2. Step 2: Convert to fraction form
    7,373.54/11,053.95 = 3,475.22/x
  3. Step 3: Cross multiply
    7,373.54x = 11,053.95 × 3,475.22
  4. Step 4: Simplify right side
    7,373.54x = 38,414,908.12
  5. Step 5: Solve for x
    x = 38,414,908.12/7,373.54
  6. Step 6: Final answer
    x = 5,209.83

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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.