Home / 5,504.80-8,257.20-2,912.80

Finding the Fourth Proportional to 5,504.80, 8,257.20 and 2,912.80

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Solution

The fourth proportional to 5,504.80, 8,257.20 and 2,912.80 is: 4,369.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,504.80 : 8,257.20 = 2,912.80 : x
  2. Step 2: Convert to fraction form
    5,504.80/8,257.20 = 2,912.80/x
  3. Step 3: Cross multiply
    5,504.80x = 8,257.20 × 2,912.80
  4. Step 4: Simplify right side
    5,504.80x = 24,051,572.16
  5. Step 5: Solve for x
    x = 24,051,572.16/5,504.80
  6. Step 6: Final answer
    x = 4,369.20

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Similar ratio
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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.