Home / 5,874.39-8,106.89-3,221.91

Finding the Fourth Proportional to 5,874.39, 8,106.89 and 3,221.91

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Solution

The fourth proportional to 5,874.39, 8,106.89 and 3,221.91 is: 4,446.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,874.39 : 8,106.89 = 3,221.91 : x
  2. Step 2: Convert to fraction form
    5,874.39/8,106.89 = 3,221.91/x
  3. Step 3: Cross multiply
    5,874.39x = 8,106.89 × 3,221.91
  4. Step 4: Simplify right side
    5,874.39x = 26,119,653.85
  5. Step 5: Solve for x
    x = 26,119,653.85/5,874.39
  6. Step 6: Final answer
    x = 4,446.36

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1.5x scale

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.