Home / 6,605.87-9,902.60-2,220.26

Finding the Fourth Proportional to 6,605.87, 9,902.60 and 2,220.26

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Solution

The fourth proportional to 6,605.87, 9,902.60 and 2,220.26 is: 3,328.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,605.87 : 9,902.60 = 2,220.26 : x
  2. Step 2: Convert to fraction form
    6,605.87/9,902.60 = 2,220.26/x
  3. Step 3: Cross multiply
    6,605.87x = 9,902.60 × 2,220.26
  4. Step 4: Simplify right side
    6,605.87x = 21,986,286.06
  5. Step 5: Solve for x
    x = 21,986,286.06/6,605.87
  6. Step 6: Final answer
    x = 3,328.30

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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.