Home / 6,640.71-9,960.66-2,745.02

Finding the Fourth Proportional to 6,640.71, 9,960.66 and 2,745.02

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Solution

The fourth proportional to 6,640.71, 9,960.66 and 2,745.02 is: 4,117.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,640.71 : 9,960.66 = 2,745.02 : x
  2. Step 2: Convert to fraction form
    6,640.71/9,960.66 = 2,745.02/x
  3. Step 3: Cross multiply
    6,640.71x = 9,960.66 × 2,745.02
  4. Step 4: Simplify right side
    6,640.71x = 27,342,161.11
  5. Step 5: Solve for x
    x = 27,342,161.11/6,640.71
  6. Step 6: Final answer
    x = 4,117.36

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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.