Home / 5,233.38-7,853.66-2,155.38

Finding the Fourth Proportional to 5,233.38, 7,853.66 and 2,155.38

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Solution

The fourth proportional to 5,233.38, 7,853.66 and 2,155.38 is: 3,234.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,233.38 : 7,853.66 = 2,155.38 : x
  2. Step 2: Convert to fraction form
    5,233.38/7,853.66 = 2,155.38/x
  3. Step 3: Cross multiply
    5,233.38x = 7,853.66 × 2,155.38
  4. Step 4: Simplify right side
    5,233.38x = 16,927,621.69
  5. Step 5: Solve for x
    x = 16,927,621.69/5,233.38
  6. Step 6: Final answer
    x = 3,234.55

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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.