Home / 6,601.77-9,902.69-2,219.23

Finding the Fourth Proportional to 6,601.77, 9,902.69 and 2,219.23

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Solution

The fourth proportional to 6,601.77, 9,902.69 and 2,219.23 is: 3,328.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,601.77 : 9,902.69 = 2,219.23 : x
  2. Step 2: Convert to fraction form
    6,601.77/9,902.69 = 2,219.23/x
  3. Step 3: Cross multiply
    6,601.77x = 9,902.69 × 2,219.23
  4. Step 4: Simplify right side
    6,601.77x = 21,976,346.73
  5. Step 5: Solve for x
    x = 21,976,346.73/6,601.77
  6. Step 6: Final answer
    x = 3,328.86

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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.