Home / 5,578.60-7,698.96-3,061.20

Finding the Fourth Proportional to 5,578.60, 7,698.96 and 3,061.20

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Solution

The fourth proportional to 5,578.60, 7,698.96 and 3,061.20 is: 4,224.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,578.60 : 7,698.96 = 3,061.20 : x
  2. Step 2: Convert to fraction form
    5,578.60/7,698.96 = 3,061.20/x
  3. Step 3: Cross multiply
    5,578.60x = 7,698.96 × 3,061.20
  4. Step 4: Simplify right side
    5,578.60x = 23,568,056.35
  5. Step 5: Solve for x
    x = 23,568,056.35/5,578.60
  6. Step 6: Final answer
    x = 4,224.73

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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.