Home / 7,489.44-11,222.61-3,685.71

Finding the Fourth Proportional to 7,489.44, 11,222.61 and 3,685.71

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Solution

The fourth proportional to 7,489.44, 11,222.61 and 3,685.71 is: 5,522.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,489.44 : 11,222.61 = 3,685.71 : x
  2. Step 2: Convert to fraction form
    7,489.44/11,222.61 = 3,685.71/x
  3. Step 3: Cross multiply
    7,489.44x = 11,222.61 × 3,685.71
  4. Step 4: Simplify right side
    7,489.44x = 41,363,327.99
  5. Step 5: Solve for x
    x = 41,363,327.99/7,489.44
  6. Step 6: Final answer
    x = 5,522.89

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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.