Home / 7,025.13-9,694.79-3,881.32

Finding the Fourth Proportional to 7,025.13, 9,694.79 and 3,881.32

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Solution

The fourth proportional to 7,025.13, 9,694.79 and 3,881.32 is: 5,356.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,025.13 : 9,694.79 = 3,881.32 : x
  2. Step 2: Convert to fraction form
    7,025.13/9,694.79 = 3,881.32/x
  3. Step 3: Cross multiply
    7,025.13x = 9,694.79 × 3,881.32
  4. Step 4: Simplify right side
    7,025.13x = 37,628,553.23
  5. Step 5: Solve for x
    x = 37,628,553.23/7,025.13
  6. Step 6: Final answer
    x = 5,356.28

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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.