Home / 7,159.60-10,739.85-2,229.43

Finding the Fourth Proportional to 7,159.60, 10,739.85 and 2,229.43

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Solution

The fourth proportional to 7,159.60, 10,739.85 and 2,229.43 is: 3,344.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,159.60 : 10,739.85 = 2,229.43 : x
  2. Step 2: Convert to fraction form
    7,159.60/10,739.85 = 2,229.43/x
  3. Step 3: Cross multiply
    7,159.60x = 10,739.85 × 2,229.43
  4. Step 4: Simplify right side
    7,159.60x = 23,943,743.79
  5. Step 5: Solve for x
    x = 23,943,743.79/7,159.60
  6. Step 6: Final answer
    x = 3,344.29

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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.