Home / 6,630.38-9,150.16-3,797.78

Finding the Fourth Proportional to 6,630.38, 9,150.16 and 3,797.78

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Solution

The fourth proportional to 6,630.38, 9,150.16 and 3,797.78 is: 5,241.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,630.38 : 9,150.16 = 3,797.78 : x
  2. Step 2: Convert to fraction form
    6,630.38/9,150.16 = 3,797.78/x
  3. Step 3: Cross multiply
    6,630.38x = 9,150.16 × 3,797.78
  4. Step 4: Simplify right side
    6,630.38x = 34,750,294.64
  5. Step 5: Solve for x
    x = 34,750,294.64/6,630.38
  6. Step 6: Final answer
    x = 5,241.07

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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.