Home / 7,025.44-9,694.38-3,881.20

Finding the Fourth Proportional to 7,025.44, 9,694.38 and 3,881.20

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Solution

The fourth proportional to 7,025.44, 9,694.38 and 3,881.20 is: 5,355.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,025.44 : 9,694.38 = 3,881.20 : x
  2. Step 2: Convert to fraction form
    7,025.44/9,694.38 = 3,881.20/x
  3. Step 3: Cross multiply
    7,025.44x = 9,694.38 × 3,881.20
  4. Step 4: Simplify right side
    7,025.44x = 37,625,827.66
  5. Step 5: Solve for x
    x = 37,625,827.66/7,025.44
  6. Step 6: Final answer
    x = 5,355.65

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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.