Home / 5,322.19-7,979.85-2,548.80

Finding the Fourth Proportional to 5,322.19, 7,979.85 and 2,548.80

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Solution

The fourth proportional to 5,322.19, 7,979.85 and 2,548.80 is: 3,821.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,322.19 : 7,979.85 = 2,548.80 : x
  2. Step 2: Convert to fraction form
    5,322.19/7,979.85 = 2,548.80/x
  3. Step 3: Cross multiply
    5,322.19x = 7,979.85 × 2,548.80
  4. Step 4: Simplify right side
    5,322.19x = 20,339,041.68
  5. Step 5: Solve for x
    x = 20,339,041.68/5,322.19
  6. Step 6: Final answer
    x = 3,821.55

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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.