Home / 4,229.91-6,344.70-1,109.88

Finding the Fourth Proportional to 4,229.91, 6,344.70 and 1,109.88

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Solution

The fourth proportional to 4,229.91, 6,344.70 and 1,109.88 is: 1,664.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,229.91 : 6,344.70 = 1,109.88 : x
  2. Step 2: Convert to fraction form
    4,229.91/6,344.70 = 1,109.88/x
  3. Step 3: Cross multiply
    4,229.91x = 6,344.70 × 1,109.88
  4. Step 4: Simplify right side
    4,229.91x = 7,041,871.50
  5. Step 5: Solve for x
    x = 7,041,871.50/4,229.91
  6. Step 6: Final answer
    x = 1,664.78

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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.