Home / 6,847.31-9,449.23-3,863.17

Finding the Fourth Proportional to 6,847.31, 9,449.23 and 3,863.17

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Solution

The fourth proportional to 6,847.31, 9,449.23 and 3,863.17 is: 5,331.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,847.31 : 9,449.23 = 3,863.17 : x
  2. Step 2: Convert to fraction form
    6,847.31/9,449.23 = 3,863.17/x
  3. Step 3: Cross multiply
    6,847.31x = 9,449.23 × 3,863.17
  4. Step 4: Simplify right side
    6,847.31x = 36,503,981.86
  5. Step 5: Solve for x
    x = 36,503,981.86/6,847.31
  6. Step 6: Final answer
    x = 5,331.14

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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.