Home / 5,565.72-7,679.94-3,327.12

Finding the Fourth Proportional to 5,565.72, 7,679.94 and 3,327.12

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Solution

The fourth proportional to 5,565.72, 7,679.94 and 3,327.12 is: 4,590.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,565.72 : 7,679.94 = 3,327.12 : x
  2. Step 2: Convert to fraction form
    5,565.72/7,679.94 = 3,327.12/x
  3. Step 3: Cross multiply
    5,565.72x = 7,679.94 × 3,327.12
  4. Step 4: Simplify right side
    5,565.72x = 25,552,081.97
  5. Step 5: Solve for x
    x = 25,552,081.97/5,565.72
  6. Step 6: Final answer
    x = 4,590.98

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1.5x scale

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.