Home / 4,025.63-5,552.55-3,890.15

Finding the Fourth Proportional to 4,025.63, 5,552.55 and 3,890.15

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Solution

The fourth proportional to 4,025.63, 5,552.55 and 3,890.15 is: 5,365.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,025.63 : 5,552.55 = 3,890.15 : x
  2. Step 2: Convert to fraction form
    4,025.63/5,552.55 = 3,890.15/x
  3. Step 3: Cross multiply
    4,025.63x = 5,552.55 × 3,890.15
  4. Step 4: Simplify right side
    4,025.63x = 21,600,293.09
  5. Step 5: Solve for x
    x = 21,600,293.09/4,025.63
  6. Step 6: Final answer
    x = 5,365.70

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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.