Home / 9,719.43-14,579.69-2,793.75

Finding the Fourth Proportional to 9,719.43, 14,579.69 and 2,793.75

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Solution

The fourth proportional to 9,719.43, 14,579.69 and 2,793.75 is: 4,190.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,719.43 : 14,579.69 = 2,793.75 : x
  2. Step 2: Convert to fraction form
    9,719.43/14,579.69 = 2,793.75/x
  3. Step 3: Cross multiply
    9,719.43x = 14,579.69 × 2,793.75
  4. Step 4: Simplify right side
    9,719.43x = 40,731,994.97
  5. Step 5: Solve for x
    x = 40,731,994.97/9,719.43
  6. Step 6: Final answer
    x = 4,190.78

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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.