Home / 6,650.05-9,974.62-3,689.89

Finding the Fourth Proportional to 6,650.05, 9,974.62 and 3,689.89

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Solution

The fourth proportional to 6,650.05, 9,974.62 and 3,689.89 is: 5,534.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,650.05 : 9,974.62 = 3,689.89 : x
  2. Step 2: Convert to fraction form
    6,650.05/9,974.62 = 3,689.89/x
  3. Step 3: Cross multiply
    6,650.05x = 9,974.62 × 3,689.89
  4. Step 4: Simplify right side
    6,650.05x = 36,805,232.14
  5. Step 5: Solve for x
    x = 36,805,232.14/6,650.05
  6. Step 6: Final answer
    x = 5,534.58

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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.