Home / 6,943.28-9,581.49-3,960.08

Finding the Fourth Proportional to 6,943.28, 9,581.49 and 3,960.08

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Solution

The fourth proportional to 6,943.28, 9,581.49 and 3,960.08 is: 5,464.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,943.28 : 9,581.49 = 3,960.08 : x
  2. Step 2: Convert to fraction form
    6,943.28/9,581.49 = 3,960.08/x
  3. Step 3: Cross multiply
    6,943.28x = 9,581.49 × 3,960.08
  4. Step 4: Simplify right side
    6,943.28x = 37,943,466.92
  5. Step 5: Solve for x
    x = 37,943,466.92/6,943.28
  6. Step 6: Final answer
    x = 5,464.78

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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.