Home / 4,227.66-6,342.30-1,305.81

Finding the Fourth Proportional to 4,227.66, 6,342.30 and 1,305.81

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Solution

The fourth proportional to 4,227.66, 6,342.30 and 1,305.81 is: 1,958.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,227.66 : 6,342.30 = 1,305.81 : x
  2. Step 2: Convert to fraction form
    4,227.66/6,342.30 = 1,305.81/x
  3. Step 3: Cross multiply
    4,227.66x = 6,342.30 × 1,305.81
  4. Step 4: Simplify right side
    4,227.66x = 8,281,838.76
  5. Step 5: Solve for x
    x = 8,281,838.76/4,227.66
  6. Step 6: Final answer
    x = 1,958.97

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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.