Home / 5,230.44-7,217.97-2,872.53

Finding the Fourth Proportional to 5,230.44, 7,217.97 and 2,872.53

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Solution

The fourth proportional to 5,230.44, 7,217.97 and 2,872.53 is: 3,964.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,230.44 : 7,217.97 = 2,872.53 : x
  2. Step 2: Convert to fraction form
    5,230.44/7,217.97 = 2,872.53/x
  3. Step 3: Cross multiply
    5,230.44x = 7,217.97 × 2,872.53
  4. Step 4: Simplify right side
    5,230.44x = 20,733,835.36
  5. Step 5: Solve for x
    x = 20,733,835.36/5,230.44
  6. Step 6: Final answer
    x = 3,964.07

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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.