Home / 7,447.38-11,171.16-3,063.84

Finding the Fourth Proportional to 7,447.38, 11,171.16 and 3,063.84

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Solution

The fourth proportional to 7,447.38, 11,171.16 and 3,063.84 is: 4,595.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,447.38 : 11,171.16 = 3,063.84 : x
  2. Step 2: Convert to fraction form
    7,447.38/11,171.16 = 3,063.84/x
  3. Step 3: Cross multiply
    7,447.38x = 11,171.16 × 3,063.84
  4. Step 4: Simplify right side
    7,447.38x = 34,226,646.85
  5. Step 5: Solve for x
    x = 34,226,646.85/7,447.38
  6. Step 6: Final answer
    x = 4,595.80

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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.