Home / 6,529.80-9,794.72-2,147.60

Finding the Fourth Proportional to 6,529.80, 9,794.72 and 2,147.60

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Solution

The fourth proportional to 6,529.80, 9,794.72 and 2,147.60 is: 3,221.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,529.80 : 9,794.72 = 2,147.60 : x
  2. Step 2: Convert to fraction form
    6,529.80/9,794.72 = 2,147.60/x
  3. Step 3: Cross multiply
    6,529.80x = 9,794.72 × 2,147.60
  4. Step 4: Simplify right side
    6,529.80x = 21,035,140.67
  5. Step 5: Solve for x
    x = 21,035,140.67/6,529.80
  6. Step 6: Final answer
    x = 3,221.41

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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.