Home / 5,482.87-8,227.68-2,561.47

Finding the Fourth Proportional to 5,482.87, 8,227.68 and 2,561.47

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Solution

The fourth proportional to 5,482.87, 8,227.68 and 2,561.47 is: 3,843.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,482.87 : 8,227.68 = 2,561.47 : x
  2. Step 2: Convert to fraction form
    5,482.87/8,227.68 = 2,561.47/x
  3. Step 3: Cross multiply
    5,482.87x = 8,227.68 × 2,561.47
  4. Step 4: Simplify right side
    5,482.87x = 21,074,955.49
  5. Step 5: Solve for x
    x = 21,074,955.49/5,482.87
  6. Step 6: Final answer
    x = 3,843.78

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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.