Home / 4,025.67-5,552.62-3,890.20

Finding the Fourth Proportional to 4,025.67, 5,552.62 and 3,890.20

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Solution

The fourth proportional to 4,025.67, 5,552.62 and 3,890.20 is: 5,365.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,025.67 : 5,552.62 = 3,890.20 : x
  2. Step 2: Convert to fraction form
    4,025.67/5,552.62 = 3,890.20/x
  3. Step 3: Cross multiply
    4,025.67x = 5,552.62 × 3,890.20
  4. Step 4: Simplify right side
    4,025.67x = 21,600,805.01
  5. Step 5: Solve for x
    x = 21,600,805.01/4,025.67
  6. Step 6: Final answer
    x = 5,365.76

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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.