Home / 6,644.19-9,966.90-3,355.20

Finding the Fourth Proportional to 6,644.19, 9,966.90 and 3,355.20

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Solution

The fourth proportional to 6,644.19, 9,966.90 and 3,355.20 is: 5,033.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,644.19 : 9,966.90 = 3,355.20 : x
  2. Step 2: Convert to fraction form
    6,644.19/9,966.90 = 3,355.20/x
  3. Step 3: Cross multiply
    6,644.19x = 9,966.90 × 3,355.20
  4. Step 4: Simplify right side
    6,644.19x = 33,440,942.88
  5. Step 5: Solve for x
    x = 33,440,942.88/6,644.19
  6. Step 6: Final answer
    x = 5,033.11

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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.