Home / 5,108.52-7,661.16-2,186.04

Finding the Fourth Proportional to 5,108.52, 7,661.16 and 2,186.04

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Solution

The fourth proportional to 5,108.52, 7,661.16 and 2,186.04 is: 3,278.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,108.52 : 7,661.16 = 2,186.04 : x
  2. Step 2: Convert to fraction form
    5,108.52/7,661.16 = 2,186.04/x
  3. Step 3: Cross multiply
    5,108.52x = 7,661.16 × 2,186.04
  4. Step 4: Simplify right side
    5,108.52x = 16,747,602.21
  5. Step 5: Solve for x
    x = 16,747,602.21/5,108.52
  6. Step 6: Final answer
    x = 3,278.37

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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.