Home / 5,661.28-8,488.68-2,371.60

Finding the Fourth Proportional to 5,661.28, 8,488.68 and 2,371.60

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Solution

The fourth proportional to 5,661.28, 8,488.68 and 2,371.60 is: 3,556.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,661.28 : 8,488.68 = 2,371.60 : x
  2. Step 2: Convert to fraction form
    5,661.28/8,488.68 = 2,371.60/x
  3. Step 3: Cross multiply
    5,661.28x = 8,488.68 × 2,371.60
  4. Step 4: Simplify right side
    5,661.28x = 20,131,753.49
  5. Step 5: Solve for x
    x = 20,131,753.49/5,661.28
  6. Step 6: Final answer
    x = 3,556.04

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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.