Home / 5,426.38-8,139.82-2,305.94

Finding the Fourth Proportional to 5,426.38, 8,139.82 and 2,305.94

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Solution

The fourth proportional to 5,426.38, 8,139.82 and 2,305.94 is: 3,459.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,426.38 : 8,139.82 = 2,305.94 : x
  2. Step 2: Convert to fraction form
    5,426.38/8,139.82 = 2,305.94/x
  3. Step 3: Cross multiply
    5,426.38x = 8,139.82 × 2,305.94
  4. Step 4: Simplify right side
    5,426.38x = 18,769,936.53
  5. Step 5: Solve for x
    x = 18,769,936.53/5,426.38
  6. Step 6: Final answer
    x = 3,459.02

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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.