Home / 6,669.63-9,205.37-3,838.88

Finding the Fourth Proportional to 6,669.63, 9,205.37 and 3,838.88

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Solution

The fourth proportional to 6,669.63, 9,205.37 and 3,838.88 is: 5,298.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,669.63 : 9,205.37 = 3,838.88 : x
  2. Step 2: Convert to fraction form
    6,669.63/9,205.37 = 3,838.88/x
  3. Step 3: Cross multiply
    6,669.63x = 9,205.37 × 3,838.88
  4. Step 4: Simplify right side
    6,669.63x = 35,338,245.56
  5. Step 5: Solve for x
    x = 35,338,245.56/6,669.63
  6. Step 6: Final answer
    x = 5,298.38

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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.