Home / 5,565.16-7,679.82-3,207.08

Finding the Fourth Proportional to 5,565.16, 7,679.82 and 3,207.08

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Solution

The fourth proportional to 5,565.16, 7,679.82 and 3,207.08 is: 4,425.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,565.16 : 7,679.82 = 3,207.08 : x
  2. Step 2: Convert to fraction form
    5,565.16/7,679.82 = 3,207.08/x
  3. Step 3: Cross multiply
    5,565.16x = 7,679.82 × 3,207.08
  4. Step 4: Simplify right side
    5,565.16x = 24,629,797.13
  5. Step 5: Solve for x
    x = 24,629,797.13/5,565.16
  6. Step 6: Final answer
    x = 4,425.71

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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.