Home / 8,943.15-13,414.71-3,099.75

Finding the Fourth Proportional to 8,943.15, 13,414.71 and 3,099.75

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Solution

The fourth proportional to 8,943.15, 13,414.71 and 3,099.75 is: 4,649.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,943.15 : 13,414.71 = 3,099.75 : x
  2. Step 2: Convert to fraction form
    8,943.15/13,414.71 = 3,099.75/x
  3. Step 3: Cross multiply
    8,943.15x = 13,414.71 × 3,099.75
  4. Step 4: Simplify right side
    8,943.15x = 41,582,258.95
  5. Step 5: Solve for x
    x = 41,582,258.95/8,943.15
  6. Step 6: Final answer
    x = 4,649.62

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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.