Home / 6,220.96-9,331.56-1,838.56

Finding the Fourth Proportional to 6,220.96, 9,331.56 and 1,838.56

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Solution

The fourth proportional to 6,220.96, 9,331.56 and 1,838.56 is: 2,757.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,220.96 : 9,331.56 = 1,838.56 : x
  2. Step 2: Convert to fraction form
    6,220.96/9,331.56 = 1,838.56/x
  3. Step 3: Cross multiply
    6,220.96x = 9,331.56 × 1,838.56
  4. Step 4: Simplify right side
    6,220.96x = 17,156,632.95
  5. Step 5: Solve for x
    x = 17,156,632.95/6,220.96
  6. Step 6: Final answer
    x = 2,757.88

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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.