Home / 5,565.76-7,675.68-3,993.28

Finding the Fourth Proportional to 5,565.76, 7,675.68 and 3,993.28

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Solution

The fourth proportional to 5,565.76, 7,675.68 and 3,993.28 is: 5,507.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,565.76 : 7,675.68 = 3,993.28 : x
  2. Step 2: Convert to fraction form
    5,565.76/7,675.68 = 3,993.28/x
  3. Step 3: Cross multiply
    5,565.76x = 7,675.68 × 3,993.28
  4. Step 4: Simplify right side
    5,565.76x = 30,651,139.43
  5. Step 5: Solve for x
    x = 30,651,139.43/5,565.76
  6. Step 6: Final answer
    x = 5,507.09

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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.