Home / 7,217.09-9,961.85-4,234.13

Finding the Fourth Proportional to 7,217.09, 9,961.85 and 4,234.13

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Solution

The fourth proportional to 7,217.09, 9,961.85 and 4,234.13 is: 5,844.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,217.09 : 9,961.85 = 4,234.13 : x
  2. Step 2: Convert to fraction form
    7,217.09/9,961.85 = 4,234.13/x
  3. Step 3: Cross multiply
    7,217.09x = 9,961.85 × 4,234.13
  4. Step 4: Simplify right side
    7,217.09x = 42,179,767.94
  5. Step 5: Solve for x
    x = 42,179,767.94/7,217.09
  6. Step 6: Final answer
    x = 5,844.43

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.