Home / 5,442.80-8,160.55-2,519.51

Finding the Fourth Proportional to 5,442.80, 8,160.55 and 2,519.51

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Solution

The fourth proportional to 5,442.80, 8,160.55 and 2,519.51 is: 3,777.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,442.80 : 8,160.55 = 2,519.51 : x
  2. Step 2: Convert to fraction form
    5,442.80/8,160.55 = 2,519.51/x
  3. Step 3: Cross multiply
    5,442.80x = 8,160.55 × 2,519.51
  4. Step 4: Simplify right side
    5,442.80x = 20,560,540.23
  5. Step 5: Solve for x
    x = 20,560,540.23/5,442.80
  6. Step 6: Final answer
    x = 3,777.57

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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.