Home / 6,669.67-9,205.34-3,981.08

Finding the Fourth Proportional to 6,669.67, 9,205.34 and 3,981.08

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Solution

The fourth proportional to 6,669.67, 9,205.34 and 3,981.08 is: 5,494.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,669.67 : 9,205.34 = 3,981.08 : x
  2. Step 2: Convert to fraction form
    6,669.67/9,205.34 = 3,981.08/x
  3. Step 3: Cross multiply
    6,669.67x = 9,205.34 × 3,981.08
  4. Step 4: Simplify right side
    6,669.67x = 36,647,194.97
  5. Step 5: Solve for x
    x = 36,647,194.97/6,669.67
  6. Step 6: Final answer
    x = 5,494.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.