Home / 6,571.08-9,857.70-2,189.88

Finding the Fourth Proportional to 6,571.08, 9,857.70 and 2,189.88

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Solution

The fourth proportional to 6,571.08, 9,857.70 and 2,189.88 is: 3,285.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,571.08 : 9,857.70 = 2,189.88 : x
  2. Step 2: Convert to fraction form
    6,571.08/9,857.70 = 2,189.88/x
  3. Step 3: Cross multiply
    6,571.08x = 9,857.70 × 2,189.88
  4. Step 4: Simplify right side
    6,571.08x = 21,587,180.08
  5. Step 5: Solve for x
    x = 21,587,180.08/6,571.08
  6. Step 6: Final answer
    x = 3,285.18

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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.