Home / 4,861.97-7,292.28-2,775.21

Finding the Fourth Proportional to 4,861.97, 7,292.28 and 2,775.21

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Solution

The fourth proportional to 4,861.97, 7,292.28 and 2,775.21 is: 4,162.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,861.97 : 7,292.28 = 2,775.21 : x
  2. Step 2: Convert to fraction form
    4,861.97/7,292.28 = 2,775.21/x
  3. Step 3: Cross multiply
    4,861.97x = 7,292.28 × 2,775.21
  4. Step 4: Simplify right side
    4,861.97x = 20,237,616.85
  5. Step 5: Solve for x
    x = 20,237,616.85/4,861.97
  6. Step 6: Final answer
    x = 4,162.43

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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.