Home / 6,610.10-9,915.18-1,679.73

Finding the Fourth Proportional to 6,610.10, 9,915.18 and 1,679.73

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Solution

The fourth proportional to 6,610.10, 9,915.18 and 1,679.73 is: 2,519.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,610.10 : 9,915.18 = 1,679.73 : x
  2. Step 2: Convert to fraction form
    6,610.10/9,915.18 = 1,679.73/x
  3. Step 3: Cross multiply
    6,610.10x = 9,915.18 × 1,679.73
  4. Step 4: Simplify right side
    6,610.10x = 16,654,825.30
  5. Step 5: Solve for x
    x = 16,654,825.30/6,610.10
  6. Step 6: Final answer
    x = 2,519.60

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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.