Home / 6,650.24-9,179.04-3,998.40

Finding the Fourth Proportional to 6,650.24, 9,179.04 and 3,998.40

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Solution

The fourth proportional to 6,650.24, 9,179.04 and 3,998.40 is: 5,518.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,650.24 : 9,179.04 = 3,998.40 : x
  2. Step 2: Convert to fraction form
    6,650.24/9,179.04 = 3,998.40/x
  3. Step 3: Cross multiply
    6,650.24x = 9,179.04 × 3,998.40
  4. Step 4: Simplify right side
    6,650.24x = 36,701,473.54
  5. Step 5: Solve for x
    x = 36,701,473.54/6,650.24
  6. Step 6: Final answer
    x = 5,518.82

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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.