Home / 6,631.68-9,949.47-2,680.90

Finding the Fourth Proportional to 6,631.68, 9,949.47 and 2,680.90

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Solution

The fourth proportional to 6,631.68, 9,949.47 and 2,680.90 is: 4,022.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,631.68 : 9,949.47 = 2,680.90 : x
  2. Step 2: Convert to fraction form
    6,631.68/9,949.47 = 2,680.90/x
  3. Step 3: Cross multiply
    6,631.68x = 9,949.47 × 2,680.90
  4. Step 4: Simplify right side
    6,631.68x = 26,673,534.12
  5. Step 5: Solve for x
    x = 26,673,534.12/6,631.68
  6. Step 6: Final answer
    x = 4,022.14

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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.