Home / 5,426.68-8,138.36-2,306.62

Finding the Fourth Proportional to 5,426.68, 8,138.36 and 2,306.62

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Solution

The fourth proportional to 5,426.68, 8,138.36 and 2,306.62 is: 3,459.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,426.68 : 8,138.36 = 2,306.62 : x
  2. Step 2: Convert to fraction form
    5,426.68/8,138.36 = 2,306.62/x
  3. Step 3: Cross multiply
    5,426.68x = 8,138.36 × 2,306.62
  4. Step 4: Simplify right side
    5,426.68x = 18,772,103.94
  5. Step 5: Solve for x
    x = 18,772,103.94/5,426.68
  6. Step 6: Final answer
    x = 3,459.22

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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.