Home / 6,639.68-9,960.33-2,746.82

Finding the Fourth Proportional to 6,639.68, 9,960.33 and 2,746.82

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Solution

The fourth proportional to 6,639.68, 9,960.33 and 2,746.82 is: 4,120.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,639.68 : 9,960.33 = 2,746.82 : x
  2. Step 2: Convert to fraction form
    6,639.68/9,960.33 = 2,746.82/x
  3. Step 3: Cross multiply
    6,639.68x = 9,960.33 × 2,746.82
  4. Step 4: Simplify right side
    6,639.68x = 27,359,233.65
  5. Step 5: Solve for x
    x = 27,359,233.65/6,639.68
  6. Step 6: Final answer
    x = 4,120.57

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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.