Home / 4,025.77-5,552.75-3,890.30

Finding the Fourth Proportional to 4,025.77, 5,552.75 and 3,890.30

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Solution

The fourth proportional to 4,025.77, 5,552.75 and 3,890.30 is: 5,365.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,025.77 : 5,552.75 = 3,890.30 : x
  2. Step 2: Convert to fraction form
    4,025.77/5,552.75 = 3,890.30/x
  3. Step 3: Cross multiply
    4,025.77x = 5,552.75 × 3,890.30
  4. Step 4: Simplify right side
    4,025.77x = 21,601,828.87
  5. Step 5: Solve for x
    x = 21,601,828.87/4,025.77
  6. Step 6: Final answer
    x = 5,365.89

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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.