Home / 6,561.74-9,839.36-2,177.73

Finding the Fourth Proportional to 6,561.74, 9,839.36 and 2,177.73

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Solution

The fourth proportional to 6,561.74, 9,839.36 and 2,177.73 is: 3,265.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,561.74 : 9,839.36 = 2,177.73 : x
  2. Step 2: Convert to fraction form
    6,561.74/9,839.36 = 2,177.73/x
  3. Step 3: Cross multiply
    6,561.74x = 9,839.36 × 2,177.73
  4. Step 4: Simplify right side
    6,561.74x = 21,427,474.90
  5. Step 5: Solve for x
    x = 21,427,474.90/6,561.74
  6. Step 6: Final answer
    x = 3,265.52

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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.