Home / 6,943.19-9,581.41-3,958.85

Finding the Fourth Proportional to 6,943.19, 9,581.41 and 3,958.85

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Solution

The fourth proportional to 6,943.19, 9,581.41 and 3,958.85 is: 5,463.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,943.19 : 9,581.41 = 3,958.85 : x
  2. Step 2: Convert to fraction form
    6,943.19/9,581.41 = 3,958.85/x
  3. Step 3: Cross multiply
    6,943.19x = 9,581.41 × 3,958.85
  4. Step 4: Simplify right side
    6,943.19x = 37,931,378.07
  5. Step 5: Solve for x
    x = 37,931,378.07/6,943.19
  6. Step 6: Final answer
    x = 5,463.10

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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.