Home / 5,320.65-7,986.31-2,202.49

Finding the Fourth Proportional to 5,320.65, 7,986.31 and 2,202.49

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Solution

The fourth proportional to 5,320.65, 7,986.31 and 2,202.49 is: 3,305.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,320.65 : 7,986.31 = 2,202.49 : x
  2. Step 2: Convert to fraction form
    5,320.65/7,986.31 = 2,202.49/x
  3. Step 3: Cross multiply
    5,320.65x = 7,986.31 × 2,202.49
  4. Step 4: Simplify right side
    5,320.65x = 17,589,784.78
  5. Step 5: Solve for x
    x = 17,589,784.78/5,320.65
  6. Step 6: Final answer
    x = 3,305.94

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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.