Home / 7,250.91-10,876.42-2,868.36

Finding the Fourth Proportional to 7,250.91, 10,876.42 and 2,868.36

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Solution

The fourth proportional to 7,250.91, 10,876.42 and 2,868.36 is: 4,302.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,250.91 : 10,876.42 = 2,868.36 : x
  2. Step 2: Convert to fraction form
    7,250.91/10,876.42 = 2,868.36/x
  3. Step 3: Cross multiply
    7,250.91x = 10,876.42 × 2,868.36
  4. Step 4: Simplify right side
    7,250.91x = 31,197,450.87
  5. Step 5: Solve for x
    x = 31,197,450.87/7,250.91
  6. Step 6: Final answer
    x = 4,302.56

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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.