Home / 7,159.72-10,739.85-2,229.79

Finding the Fourth Proportional to 7,159.72, 10,739.85 and 2,229.79

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Solution

The fourth proportional to 7,159.72, 10,739.85 and 2,229.79 is: 3,344.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,159.72 : 10,739.85 = 2,229.79 : x
  2. Step 2: Convert to fraction form
    7,159.72/10,739.85 = 2,229.79/x
  3. Step 3: Cross multiply
    7,159.72x = 10,739.85 × 2,229.79
  4. Step 4: Simplify right side
    7,159.72x = 23,947,610.13
  5. Step 5: Solve for x
    x = 23,947,610.13/7,159.72
  6. Step 6: Final answer
    x = 3,344.77

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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.