Home / 5,020.20-7,520.22-2,825.64

Finding the Fourth Proportional to 5,020.20, 7,520.22 and 2,825.64

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Solution

The fourth proportional to 5,020.20, 7,520.22 and 2,825.64 is: 4,232.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,020.20 : 7,520.22 = 2,825.64 : x
  2. Step 2: Convert to fraction form
    5,020.20/7,520.22 = 2,825.64/x
  3. Step 3: Cross multiply
    5,020.20x = 7,520.22 × 2,825.64
  4. Step 4: Simplify right side
    5,020.20x = 21,249,434.44
  5. Step 5: Solve for x
    x = 21,249,434.44/5,020.20
  6. Step 6: Final answer
    x = 4,232.79

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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.