Home / 5,231.25-7,845.26-1,532.79

Finding the Fourth Proportional to 5,231.25, 7,845.26 and 1,532.79

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Solution

The fourth proportional to 5,231.25, 7,845.26 and 1,532.79 is: 2,298.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,231.25 : 7,845.26 = 1,532.79 : x
  2. Step 2: Convert to fraction form
    5,231.25/7,845.26 = 1,532.79/x
  3. Step 3: Cross multiply
    5,231.25x = 7,845.26 × 1,532.79
  4. Step 4: Simplify right side
    5,231.25x = 12,025,128.41
  5. Step 5: Solve for x
    x = 12,025,128.41/5,231.25
  6. Step 6: Final answer
    x = 2,298.71

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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.