Home / 7,025.20-9,694.90-3,838.62

Finding the Fourth Proportional to 7,025.20, 9,694.90 and 3,838.62

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Solution

The fourth proportional to 7,025.20, 9,694.90 and 3,838.62 is: 5,297.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,025.20 : 9,694.90 = 3,838.62 : x
  2. Step 2: Convert to fraction form
    7,025.20/9,694.90 = 3,838.62/x
  3. Step 3: Cross multiply
    7,025.20x = 9,694.90 × 3,838.62
  4. Step 4: Simplify right side
    7,025.20x = 37,215,037.04
  5. Step 5: Solve for x
    x = 37,215,037.04/7,025.20
  6. Step 6: Final answer
    x = 5,297.36

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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.