Home / 6,529.80-9,796.36-2,147.30

Finding the Fourth Proportional to 6,529.80, 9,796.36 and 2,147.30

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Solution

The fourth proportional to 6,529.80, 9,796.36 and 2,147.30 is: 3,221.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,529.80 : 9,796.36 = 2,147.30 : x
  2. Step 2: Convert to fraction form
    6,529.80/9,796.36 = 2,147.30/x
  3. Step 3: Cross multiply
    6,529.80x = 9,796.36 × 2,147.30
  4. Step 4: Simplify right side
    6,529.80x = 21,035,723.83
  5. Step 5: Solve for x
    x = 21,035,723.83/6,529.80
  6. Step 6: Final answer
    x = 3,221.50

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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.