Home / 5,235.35-7,849.96-2,115.46

Finding the Fourth Proportional to 5,235.35, 7,849.96 and 2,115.46

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Solution

The fourth proportional to 5,235.35, 7,849.96 and 2,115.46 is: 3,171.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,235.35 : 7,849.96 = 2,115.46 : x
  2. Step 2: Convert to fraction form
    5,235.35/7,849.96 = 2,115.46/x
  3. Step 3: Cross multiply
    5,235.35x = 7,849.96 × 2,115.46
  4. Step 4: Simplify right side
    5,235.35x = 16,606,251.47
  5. Step 5: Solve for x
    x = 16,606,251.47/5,235.35
  6. Step 6: Final answer
    x = 3,171.95

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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.