Home / 6,639.77-9,960.87-2,744.48

Finding the Fourth Proportional to 6,639.77, 9,960.87 and 2,744.48

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Solution

The fourth proportional to 6,639.77, 9,960.87 and 2,744.48 is: 4,117.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,639.77 : 9,960.87 = 2,744.48 : x
  2. Step 2: Convert to fraction form
    6,639.77/9,960.87 = 2,744.48/x
  3. Step 3: Cross multiply
    6,639.77x = 9,960.87 × 2,744.48
  4. Step 4: Simplify right side
    6,639.77x = 27,337,443.69
  5. Step 5: Solve for x
    x = 27,337,443.69/6,639.77
  6. Step 6: Final answer
    x = 4,117.23

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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.