Home / 5,902.90-8,145.67-3,249.79

Finding the Fourth Proportional to 5,902.90, 8,145.67 and 3,249.79

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Solution

The fourth proportional to 5,902.90, 8,145.67 and 3,249.79 is: 4,484.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,902.90 : 8,145.67 = 3,249.79 : x
  2. Step 2: Convert to fraction form
    5,902.90/8,145.67 = 3,249.79/x
  3. Step 3: Cross multiply
    5,902.90x = 8,145.67 × 3,249.79
  4. Step 4: Simplify right side
    5,902.90x = 26,471,716.91
  5. Step 5: Solve for x
    x = 26,471,716.91/5,902.90
  6. Step 6: Final answer
    x = 4,484.53

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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.