Home / 6,610.38-9,915.57-1,993.38

Finding the Fourth Proportional to 6,610.38, 9,915.57 and 1,993.38

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Solution

The fourth proportional to 6,610.38, 9,915.57 and 1,993.38 is: 2,990.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,610.38 : 9,915.57 = 1,993.38 : x
  2. Step 2: Convert to fraction form
    6,610.38/9,915.57 = 1,993.38/x
  3. Step 3: Cross multiply
    6,610.38x = 9,915.57 × 1,993.38
  4. Step 4: Simplify right side
    6,610.38x = 19,765,449.35
  5. Step 5: Solve for x
    x = 19,765,449.35/6,610.38
  6. Step 6: Final answer
    x = 2,990.06

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Similar ratio
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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.