Home / 6,527.80-9,791.70-2,144.20

Finding the Fourth Proportional to 6,527.80, 9,791.70 and 2,144.20

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Solution

The fourth proportional to 6,527.80, 9,791.70 and 2,144.20 is: 3,216.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,527.80 : 9,791.70 = 2,144.20 : x
  2. Step 2: Convert to fraction form
    6,527.80/9,791.70 = 2,144.20/x
  3. Step 3: Cross multiply
    6,527.80x = 9,791.70 × 2,144.20
  4. Step 4: Simplify right side
    6,527.80x = 20,995,363.14
  5. Step 5: Solve for x
    x = 20,995,363.14/6,527.80
  6. Step 6: Final answer
    x = 3,216.30

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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.