Home / 6,943.72-9,581.22-3,960.04

Finding the Fourth Proportional to 6,943.72, 9,581.22 and 3,960.04

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Solution

The fourth proportional to 6,943.72, 9,581.22 and 3,960.04 is: 5,464.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,943.72 : 9,581.22 = 3,960.04 : x
  2. Step 2: Convert to fraction form
    6,943.72/9,581.22 = 3,960.04/x
  3. Step 3: Cross multiply
    6,943.72x = 9,581.22 × 3,960.04
  4. Step 4: Simplify right side
    6,943.72x = 37,942,014.45
  5. Step 5: Solve for x
    x = 37,942,014.45/6,943.72
  6. Step 6: Final answer
    x = 5,464.22

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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.