Home / 5,519.93-7,614.82-3,280.22

Finding the Fourth Proportional to 5,519.93, 7,614.82 and 3,280.22

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Solution

The fourth proportional to 5,519.93, 7,614.82 and 3,280.22 is: 4,525.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,519.93 : 7,614.82 = 3,280.22 : x
  2. Step 2: Convert to fraction form
    5,519.93/7,614.82 = 3,280.22/x
  3. Step 3: Cross multiply
    5,519.93x = 7,614.82 × 3,280.22
  4. Step 4: Simplify right side
    5,519.93x = 24,978,230.39
  5. Step 5: Solve for x
    x = 24,978,230.39/5,519.93
  6. Step 6: Final answer
    x = 4,525.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.