Home / 6,639.36-9,954.18-2,255.64

Finding the Fourth Proportional to 6,639.36, 9,954.18 and 2,255.64

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Solution

The fourth proportional to 6,639.36, 9,954.18 and 2,255.64 is: 3,381.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,639.36 : 9,954.18 = 2,255.64 : x
  2. Step 2: Convert to fraction form
    6,639.36/9,954.18 = 2,255.64/x
  3. Step 3: Cross multiply
    6,639.36x = 9,954.18 × 2,255.64
  4. Step 4: Simplify right side
    6,639.36x = 22,453,046.58
  5. Step 5: Solve for x
    x = 22,453,046.58/6,639.36
  6. Step 6: Final answer
    x = 3,381.81

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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.