Home / 6,639.66-9,960.96-2,197.14

Finding the Fourth Proportional to 6,639.66, 9,960.96 and 2,197.14

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Solution

The fourth proportional to 6,639.66, 9,960.96 and 2,197.14 is: 3,296.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,639.66 : 9,960.96 = 2,197.14 : x
  2. Step 2: Convert to fraction form
    6,639.66/9,960.96 = 2,197.14/x
  3. Step 3: Cross multiply
    6,639.66x = 9,960.96 × 2,197.14
  4. Step 4: Simplify right side
    6,639.66x = 21,885,623.65
  5. Step 5: Solve for x
    x = 21,885,623.65/6,639.66
  6. Step 6: Final answer
    x = 3,296.20

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1.5x scale

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.