Home / 7,351.30-11,011.11-3,449.86

Finding the Fourth Proportional to 7,351.30, 11,011.11 and 3,449.86

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Solution

The fourth proportional to 7,351.30, 11,011.11 and 3,449.86 is: 5,167.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,351.30 : 11,011.11 = 3,449.86 : x
  2. Step 2: Convert to fraction form
    7,351.30/11,011.11 = 3,449.86/x
  3. Step 3: Cross multiply
    7,351.30x = 11,011.11 × 3,449.86
  4. Step 4: Simplify right side
    7,351.30x = 37,986,787.94
  5. Step 5: Solve for x
    x = 37,986,787.94/7,351.30
  6. Step 6: Final answer
    x = 5,167.36

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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.