Home / 5,231.83-7,219.95-2,841.81

Finding the Fourth Proportional to 5,231.83, 7,219.95 and 2,841.81

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Solution

The fourth proportional to 5,231.83, 7,219.95 and 2,841.81 is: 3,921.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,231.83 : 7,219.95 = 2,841.81 : x
  2. Step 2: Convert to fraction form
    5,231.83/7,219.95 = 2,841.81/x
  3. Step 3: Cross multiply
    5,231.83x = 7,219.95 × 2,841.81
  4. Step 4: Simplify right side
    5,231.83x = 20,517,726.11
  5. Step 5: Solve for x
    x = 20,517,726.11/5,231.83
  6. Step 6: Final answer
    x = 3,921.71

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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.