Home / 6,638.14-9,963.36-3,353.53

Finding the Fourth Proportional to 6,638.14, 9,963.36 and 3,353.53

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Solution

The fourth proportional to 6,638.14, 9,963.36 and 3,353.53 is: 5,033.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,638.14 : 9,963.36 = 3,353.53 : x
  2. Step 2: Convert to fraction form
    6,638.14/9,963.36 = 3,353.53/x
  3. Step 3: Cross multiply
    6,638.14x = 9,963.36 × 3,353.53
  4. Step 4: Simplify right side
    6,638.14x = 33,412,426.66
  5. Step 5: Solve for x
    x = 33,412,426.66/6,638.14
  6. Step 6: Final answer
    x = 5,033.40

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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.