Home / 5,874.31-8,106.78-3,221.81

Finding the Fourth Proportional to 5,874.31, 8,106.78 and 3,221.81

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Solution

The fourth proportional to 5,874.31, 8,106.78 and 3,221.81 is: 4,446.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,874.31 : 8,106.78 = 3,221.81 : x
  2. Step 2: Convert to fraction form
    5,874.31/8,106.78 = 3,221.81/x
  3. Step 3: Cross multiply
    5,874.31x = 8,106.78 × 3,221.81
  4. Step 4: Simplify right side
    5,874.31x = 26,118,488.76
  5. Step 5: Solve for x
    x = 26,118,488.76/5,874.31
  6. Step 6: Final answer
    x = 4,446.23

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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.