Home / 7,025.28-9,694.62-3,881.40

Finding the Fourth Proportional to 7,025.28, 9,694.62 and 3,881.40

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Solution

The fourth proportional to 7,025.28, 9,694.62 and 3,881.40 is: 5,356.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,025.28 : 9,694.62 = 3,881.40 : x
  2. Step 2: Convert to fraction form
    7,025.28/9,694.62 = 3,881.40/x
  3. Step 3: Cross multiply
    7,025.28x = 9,694.62 × 3,881.40
  4. Step 4: Simplify right side
    7,025.28x = 37,628,698.07
  5. Step 5: Solve for x
    x = 37,628,698.07/7,025.28
  6. Step 6: Final answer
    x = 5,356.18

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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.