Home / 6,839.08-10,259.70-2,221

Finding the Fourth Proportional to 6,839.08, 10,259.70 and 2,221

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Solution

The fourth proportional to 6,839.08, 10,259.70 and 2,221 is: 3,331.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,839.08 : 10,259.70 = 2,221 : x
  2. Step 2: Convert to fraction form
    6,839.08/10,259.70 = 2,221/x
  3. Step 3: Cross multiply
    6,839.08x = 10,259.70 × 2,221
  4. Step 4: Simplify right side
    6,839.08x = 22,786,793.70
  5. Step 5: Solve for x
    x = 22,786,793.70/6,839.08
  6. Step 6: Final answer
    x = 3,331.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.