Home / 6,669.12-9,204.67-3,838.38

Finding the Fourth Proportional to 6,669.12, 9,204.67 and 3,838.38

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Solution

The fourth proportional to 6,669.12, 9,204.67 and 3,838.38 is: 5,297.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,669.12 : 9,204.67 = 3,838.38 : x
  2. Step 2: Convert to fraction form
    6,669.12/9,204.67 = 3,838.38/x
  3. Step 3: Cross multiply
    6,669.12x = 9,204.67 × 3,838.38
  4. Step 4: Simplify right side
    6,669.12x = 35,331,021.23
  5. Step 5: Solve for x
    x = 35,331,021.23/6,669.12
  6. Step 6: Final answer
    x = 5,297.70

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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.