Home / 4,662.45-6,991.25-1,375.11

Finding the Fourth Proportional to 4,662.45, 6,991.25 and 1,375.11

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Solution

The fourth proportional to 4,662.45, 6,991.25 and 1,375.11 is: 2,061.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,662.45 : 6,991.25 = 1,375.11 : x
  2. Step 2: Convert to fraction form
    4,662.45/6,991.25 = 1,375.11/x
  3. Step 3: Cross multiply
    4,662.45x = 6,991.25 × 1,375.11
  4. Step 4: Simplify right side
    4,662.45x = 9,613,741.23
  5. Step 5: Solve for x
    x = 9,613,741.23/4,662.45
  6. Step 6: Final answer
    x = 2,061.95

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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.