Home / 5,501.20-8,251.80-2,876.80

Finding the Fourth Proportional to 5,501.20, 8,251.80 and 2,876.80

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Solution

The fourth proportional to 5,501.20, 8,251.80 and 2,876.80 is: 4,315.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,501.20 : 8,251.80 = 2,876.80 : x
  2. Step 2: Convert to fraction form
    5,501.20/8,251.80 = 2,876.80/x
  3. Step 3: Cross multiply
    5,501.20x = 8,251.80 × 2,876.80
  4. Step 4: Simplify right side
    5,501.20x = 23,738,778.24
  5. Step 5: Solve for x
    x = 23,738,778.24/5,501.20
  6. Step 6: Final answer
    x = 4,315.20

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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.