Home / 5,578.96-7,698.66-3,188.84

Finding the Fourth Proportional to 5,578.96, 7,698.66 and 3,188.84

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Solution

The fourth proportional to 5,578.96, 7,698.66 and 3,188.84 is: 4,400.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,578.96 : 7,698.66 = 3,188.84 : x
  2. Step 2: Convert to fraction form
    5,578.96/7,698.66 = 3,188.84/x
  3. Step 3: Cross multiply
    5,578.96x = 7,698.66 × 3,188.84
  4. Step 4: Simplify right side
    5,578.96x = 24,549,794.95
  5. Step 5: Solve for x
    x = 24,549,794.95/5,578.96
  6. Step 6: Final answer
    x = 4,400.42

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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.