Home / 8,805.33-13,200.57-4,122.90

Finding the Fourth Proportional to 8,805.33, 13,200.57 and 4,122.90

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Solution

The fourth proportional to 8,805.33, 13,200.57 and 4,122.90 is: 6,180.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,805.33 : 13,200.57 = 4,122.90 : x
  2. Step 2: Convert to fraction form
    8,805.33/13,200.57 = 4,122.90/x
  3. Step 3: Cross multiply
    8,805.33x = 13,200.57 × 4,122.90
  4. Step 4: Simplify right side
    8,805.33x = 54,424,630.05
  5. Step 5: Solve for x
    x = 54,424,630.05/8,805.33
  6. Step 6: Final answer
    x = 6,180.87

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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.