Home / 5,426.40-8,136.30-2,135.52

Finding the Fourth Proportional to 5,426.40, 8,136.30 and 2,135.52

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Solution

The fourth proportional to 5,426.40, 8,136.30 and 2,135.52 is: 3,201.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,426.40 : 8,136.30 = 2,135.52 : x
  2. Step 2: Convert to fraction form
    5,426.40/8,136.30 = 2,135.52/x
  3. Step 3: Cross multiply
    5,426.40x = 8,136.30 × 2,135.52
  4. Step 4: Simplify right side
    5,426.40x = 17,375,231.38
  5. Step 5: Solve for x
    x = 17,375,231.38/5,426.40
  6. Step 6: Final answer
    x = 3,201.98

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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.