Home / 7,586.71-11,375.94-3,421.85

Finding the Fourth Proportional to 7,586.71, 11,375.94 and 3,421.85

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Solution

The fourth proportional to 7,586.71, 11,375.94 and 3,421.85 is: 5,130.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,586.71 : 11,375.94 = 3,421.85 : x
  2. Step 2: Convert to fraction form
    7,586.71/11,375.94 = 3,421.85/x
  3. Step 3: Cross multiply
    7,586.71x = 11,375.94 × 3,421.85
  4. Step 4: Simplify right side
    7,586.71x = 38,926,716.24
  5. Step 5: Solve for x
    x = 38,926,716.24/7,586.71
  6. Step 6: Final answer
    x = 5,130.91

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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.