Home / 7,239.72-10,861.14-3,776.04

Finding the Fourth Proportional to 7,239.72, 10,861.14 and 3,776.04

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Solution

The fourth proportional to 7,239.72, 10,861.14 and 3,776.04 is: 5,664.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,239.72 : 10,861.14 = 3,776.04 : x
  2. Step 2: Convert to fraction form
    7,239.72/10,861.14 = 3,776.04/x
  3. Step 3: Cross multiply
    7,239.72x = 10,861.14 × 3,776.04
  4. Step 4: Simplify right side
    7,239.72x = 41,012,099.09
  5. Step 5: Solve for x
    x = 41,012,099.09/7,239.72
  6. Step 6: Final answer
    x = 5,664.87

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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.