Home / 5,559.20-8,327.60-3,472.80

Finding the Fourth Proportional to 5,559.20, 8,327.60 and 3,472.80

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Solution

The fourth proportional to 5,559.20, 8,327.60 and 3,472.80 is: 5,202.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,559.20 : 8,327.60 = 3,472.80 : x
  2. Step 2: Convert to fraction form
    5,559.20/8,327.60 = 3,472.80/x
  3. Step 3: Cross multiply
    5,559.20x = 8,327.60 × 3,472.80
  4. Step 4: Simplify right side
    5,559.20x = 28,920,089.28
  5. Step 5: Solve for x
    x = 28,920,089.28/5,559.20
  6. Step 6: Final answer
    x = 5,202.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.