Home / 6,943.15-9,581.80-3,958.95

Finding the Fourth Proportional to 6,943.15, 9,581.80 and 3,958.95

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Solution

The fourth proportional to 6,943.15, 9,581.80 and 3,958.95 is: 5,463.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,943.15 : 9,581.80 = 3,958.95 : x
  2. Step 2: Convert to fraction form
    6,943.15/9,581.80 = 3,958.95/x
  3. Step 3: Cross multiply
    6,943.15x = 9,581.80 × 3,958.95
  4. Step 4: Simplify right side
    6,943.15x = 37,933,867.11
  5. Step 5: Solve for x
    x = 37,933,867.11/6,943.15
  6. Step 6: Final answer
    x = 5,463.50

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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.