Home / 6,664.16-9,993.78-2,280.44

Finding the Fourth Proportional to 6,664.16, 9,993.78 and 2,280.44

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Solution

The fourth proportional to 6,664.16, 9,993.78 and 2,280.44 is: 3,419.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,664.16 : 9,993.78 = 2,280.44 : x
  2. Step 2: Convert to fraction form
    6,664.16/9,993.78 = 2,280.44/x
  3. Step 3: Cross multiply
    6,664.16x = 9,993.78 × 2,280.44
  4. Step 4: Simplify right side
    6,664.16x = 22,790,215.66
  5. Step 5: Solve for x
    x = 22,790,215.66/6,664.16
  6. Step 6: Final answer
    x = 3,419.82

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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.