Home / 5,902.50-8,145.30-3,249.88

Finding the Fourth Proportional to 5,902.50, 8,145.30 and 3,249.88

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Solution

The fourth proportional to 5,902.50, 8,145.30 and 3,249.88 is: 4,484.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,902.50 : 8,145.30 = 3,249.88 : x
  2. Step 2: Convert to fraction form
    5,902.50/8,145.30 = 3,249.88/x
  3. Step 3: Cross multiply
    5,902.50x = 8,145.30 × 3,249.88
  4. Step 4: Simplify right side
    5,902.50x = 26,471,247.56
  5. Step 5: Solve for x
    x = 26,471,247.56/5,902.50
  6. Step 6: Final answer
    x = 4,484.75

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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.