Home / 5,630.80-8,441.88-2,855.20

Finding the Fourth Proportional to 5,630.80, 8,441.88 and 2,855.20

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Solution

The fourth proportional to 5,630.80, 8,441.88 and 2,855.20 is: 4,280.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,630.80 : 8,441.88 = 2,855.20 : x
  2. Step 2: Convert to fraction form
    5,630.80/8,441.88 = 2,855.20/x
  3. Step 3: Cross multiply
    5,630.80x = 8,441.88 × 2,855.20
  4. Step 4: Simplify right side
    5,630.80x = 24,103,255.78
  5. Step 5: Solve for x
    x = 24,103,255.78/5,630.80
  6. Step 6: Final answer
    x = 4,280.61

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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.