Home / 5,266.86-7,896.24-3,186.36

Finding the Fourth Proportional to 5,266.86, 7,896.24 and 3,186.36

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Solution

The fourth proportional to 5,266.86, 7,896.24 and 3,186.36 is: 4,777.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,266.86 : 7,896.24 = 3,186.36 : x
  2. Step 2: Convert to fraction form
    5,266.86/7,896.24 = 3,186.36/x
  3. Step 3: Cross multiply
    5,266.86x = 7,896.24 × 3,186.36
  4. Step 4: Simplify right side
    5,266.86x = 25,160,263.29
  5. Step 5: Solve for x
    x = 25,160,263.29/5,266.86
  6. Step 6: Final answer
    x = 4,777.09

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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.