Home / 5,187.29-7,781.75-4,532.81

Finding the Fourth Proportional to 5,187.29, 7,781.75 and 4,532.81

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Solution

The fourth proportional to 5,187.29, 7,781.75 and 4,532.81 is: 6,799.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,187.29 : 7,781.75 = 4,532.81 : x
  2. Step 2: Convert to fraction form
    5,187.29/7,781.75 = 4,532.81/x
  3. Step 3: Cross multiply
    5,187.29x = 7,781.75 × 4,532.81
  4. Step 4: Simplify right side
    5,187.29x = 35,273,171.55
  5. Step 5: Solve for x
    x = 35,273,171.55/5,187.29
  6. Step 6: Final answer
    x = 6,799.92

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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.