Home / 5,306.80-7,959.94-2,186.03

Finding the Fourth Proportional to 5,306.80, 7,959.94 and 2,186.03

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Solution

The fourth proportional to 5,306.80, 7,959.94 and 2,186.03 is: 3,278.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,306.80 : 7,959.94 = 2,186.03 : x
  2. Step 2: Convert to fraction form
    5,306.80/7,959.94 = 2,186.03/x
  3. Step 3: Cross multiply
    5,306.80x = 7,959.94 × 2,186.03
  4. Step 4: Simplify right side
    5,306.80x = 17,400,667.64
  5. Step 5: Solve for x
    x = 17,400,667.64/5,306.80
  6. Step 6: Final answer
    x = 3,278.94

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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.