Home / 4,229.11-6,343.86-1,109.19

Finding the Fourth Proportional to 4,229.11, 6,343.86 and 1,109.19

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Solution

The fourth proportional to 4,229.11, 6,343.86 and 1,109.19 is: 1,663.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,229.11 : 6,343.86 = 1,109.19 : x
  2. Step 2: Convert to fraction form
    4,229.11/6,343.86 = 1,109.19/x
  3. Step 3: Cross multiply
    4,229.11x = 6,343.86 × 1,109.19
  4. Step 4: Simplify right side
    4,229.11x = 7,036,530.21
  5. Step 5: Solve for x
    x = 7,036,530.21/4,229.11
  6. Step 6: Final answer
    x = 1,663.83

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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.