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Finding the Fourth Proportional to 5,163.24, 7,125.24 and 2,805.36

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Solution

The fourth proportional to 5,163.24, 7,125.24 and 2,805.36 is: 3,871.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,163.24 : 7,125.24 = 2,805.36 : x
  2. Step 2: Convert to fraction form
    5,163.24/7,125.24 = 2,805.36/x
  3. Step 3: Cross multiply
    5,163.24x = 7,125.24 × 2,805.36
  4. Step 4: Simplify right side
    5,163.24x = 19,988,863.29
  5. Step 5: Solve for x
    x = 19,988,863.29/5,163.24
  6. Step 6: Final answer
    x = 3,871.38

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1.5x scale

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.