Home / 5,499.70-7,589.68-3,141.86

Finding the Fourth Proportional to 5,499.70, 7,589.68 and 3,141.86

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Solution

The fourth proportional to 5,499.70, 7,589.68 and 3,141.86 is: 4,335.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,499.70 : 7,589.68 = 3,141.86 : x
  2. Step 2: Convert to fraction form
    5,499.70/7,589.68 = 3,141.86/x
  3. Step 3: Cross multiply
    5,499.70x = 7,589.68 × 3,141.86
  4. Step 4: Simplify right side
    5,499.70x = 23,845,666.20
  5. Step 5: Solve for x
    x = 23,845,666.20/5,499.70
  6. Step 6: Final answer
    x = 4,335.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.