Home / 7,424.30-11,136.78-4,134.90

Finding the Fourth Proportional to 7,424.30, 11,136.78 and 4,134.90

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Solution

The fourth proportional to 7,424.30, 11,136.78 and 4,134.90 is: 6,202.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,424.30 : 11,136.78 = 4,134.90 : x
  2. Step 2: Convert to fraction form
    7,424.30/11,136.78 = 4,134.90/x
  3. Step 3: Cross multiply
    7,424.30x = 11,136.78 × 4,134.90
  4. Step 4: Simplify right side
    7,424.30x = 46,049,471.62
  5. Step 5: Solve for x
    x = 46,049,471.62/7,424.30
  6. Step 6: Final answer
    x = 6,202.53

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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.