Home / 6,640.19-9,960.29-2,744.70

Finding the Fourth Proportional to 6,640.19, 9,960.29 and 2,744.70

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Solution

The fourth proportional to 6,640.19, 9,960.29 and 2,744.70 is: 4,117.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,640.19 : 9,960.29 = 2,744.70 : x
  2. Step 2: Convert to fraction form
    6,640.19/9,960.29 = 2,744.70/x
  3. Step 3: Cross multiply
    6,640.19x = 9,960.29 × 2,744.70
  4. Step 4: Simplify right side
    6,640.19x = 27,338,007.96
  5. Step 5: Solve for x
    x = 27,338,007.96/6,640.19
  6. Step 6: Final answer
    x = 4,117.05

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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.