Home / 8,964.87-13,447.29-2,724.86

Finding the Fourth Proportional to 8,964.87, 13,447.29 and 2,724.86

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Solution

The fourth proportional to 8,964.87, 13,447.29 and 2,724.86 is: 4,087.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,964.87 : 13,447.29 = 2,724.86 : x
  2. Step 2: Convert to fraction form
    8,964.87/13,447.29 = 2,724.86/x
  3. Step 3: Cross multiply
    8,964.87x = 13,447.29 × 2,724.86
  4. Step 4: Simplify right side
    8,964.87x = 36,641,915.39
  5. Step 5: Solve for x
    x = 36,641,915.39/8,964.87
  6. Step 6: Final answer
    x = 4,087.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.