Home / 6,610.60-9,912.70-3,685.80

Finding the Fourth Proportional to 6,610.60, 9,912.70 and 3,685.80

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Solution

The fourth proportional to 6,610.60, 9,912.70 and 3,685.80 is: 5,526.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,610.60 : 9,912.70 = 3,685.80 : x
  2. Step 2: Convert to fraction form
    6,610.60/9,912.70 = 3,685.80/x
  3. Step 3: Cross multiply
    6,610.60x = 9,912.70 × 3,685.80
  4. Step 4: Simplify right side
    6,610.60x = 36,536,229.66
  5. Step 5: Solve for x
    x = 36,536,229.66/6,610.60
  6. Step 6: Final answer
    x = 5,526.92

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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.