Home / 7,217.28-9,954.33-4,982.90

Finding the Fourth Proportional to 7,217.28, 9,954.33 and 4,982.90

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Solution

The fourth proportional to 7,217.28, 9,954.33 and 4,982.90 is: 6,872.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,217.28 : 9,954.33 = 4,982.90 : x
  2. Step 2: Convert to fraction form
    7,217.28/9,954.33 = 4,982.90/x
  3. Step 3: Cross multiply
    7,217.28x = 9,954.33 × 4,982.90
  4. Step 4: Simplify right side
    7,217.28x = 49,601,418.53
  5. Step 5: Solve for x
    x = 49,601,418.53/7,217.28
  6. Step 6: Final answer
    x = 6,872.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.