Home / 7,845.11-11,769.96-3,162.71

Finding the Fourth Proportional to 7,845.11, 11,769.96 and 3,162.71

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Solution

The fourth proportional to 7,845.11, 11,769.96 and 3,162.71 is: 4,744.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,845.11 : 11,769.96 = 3,162.71 : x
  2. Step 2: Convert to fraction form
    7,845.11/11,769.96 = 3,162.71/x
  3. Step 3: Cross multiply
    7,845.11x = 11,769.96 × 3,162.71
  4. Step 4: Simplify right side
    7,845.11x = 37,224,970.19
  5. Step 5: Solve for x
    x = 37,224,970.19/7,845.11
  6. Step 6: Final answer
    x = 4,744.99

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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.