Home / 5,380.05-7,422.66-3,021.69

Finding the Fourth Proportional to 5,380.05, 7,422.66 and 3,021.69

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Solution

The fourth proportional to 5,380.05, 7,422.66 and 3,021.69 is: 4,168.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,380.05 : 7,422.66 = 3,021.69 : x
  2. Step 2: Convert to fraction form
    5,380.05/7,422.66 = 3,021.69/x
  3. Step 3: Cross multiply
    5,380.05x = 7,422.66 × 3,021.69
  4. Step 4: Simplify right side
    5,380.05x = 22,428,977.50
  5. Step 5: Solve for x
    x = 22,428,977.50/5,380.05
  6. Step 6: Final answer
    x = 4,168.92

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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.