Home / 7,717.89-11,572.83-3,769.32

Finding the Fourth Proportional to 7,717.89, 11,572.83 and 3,769.32

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Solution

The fourth proportional to 7,717.89, 11,572.83 and 3,769.32 is: 5,652.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,717.89 : 11,572.83 = 3,769.32 : x
  2. Step 2: Convert to fraction form
    7,717.89/11,572.83 = 3,769.32/x
  3. Step 3: Cross multiply
    7,717.89x = 11,572.83 × 3,769.32
  4. Step 4: Simplify right side
    7,717.89x = 43,621,699.58
  5. Step 5: Solve for x
    x = 43,621,699.58/7,717.89
  6. Step 6: Final answer
    x = 5,652.02

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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.