Home / 4,781.33-7,162.64-3,132.87

Finding the Fourth Proportional to 4,781.33, 7,162.64 and 3,132.87

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Solution

The fourth proportional to 4,781.33, 7,162.64 and 3,132.87 is: 4,693.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,781.33 : 7,162.64 = 3,132.87 : x
  2. Step 2: Convert to fraction form
    4,781.33/7,162.64 = 3,132.87/x
  3. Step 3: Cross multiply
    4,781.33x = 7,162.64 × 3,132.87
  4. Step 4: Simplify right side
    4,781.33x = 22,439,619.98
  5. Step 5: Solve for x
    x = 22,439,619.98/4,781.33
  6. Step 6: Final answer
    x = 4,693.18

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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.