Home / 5,163.90-7,126.23-2,806.04

Finding the Fourth Proportional to 5,163.90, 7,126.23 and 2,806.04

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Solution

The fourth proportional to 5,163.90, 7,126.23 and 2,806.04 is: 3,872.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,163.90 : 7,126.23 = 2,806.04 : x
  2. Step 2: Convert to fraction form
    5,163.90/7,126.23 = 2,806.04/x
  3. Step 3: Cross multiply
    5,163.90x = 7,126.23 × 2,806.04
  4. Step 4: Simplify right side
    5,163.90x = 19,996,498.98
  5. Step 5: Solve for x
    x = 19,996,498.98/5,163.90
  6. Step 6: Final answer
    x = 3,872.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.