Home / 7,742.44-11,607.84-3,792.48

Finding the Fourth Proportional to 7,742.44, 11,607.84 and 3,792.48

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Solution

The fourth proportional to 7,742.44, 11,607.84 and 3,792.48 is: 5,685.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,742.44 : 11,607.84 = 3,792.48 : x
  2. Step 2: Convert to fraction form
    7,742.44/11,607.84 = 3,792.48/x
  3. Step 3: Cross multiply
    7,742.44x = 11,607.84 × 3,792.48
  4. Step 4: Simplify right side
    7,742.44x = 44,022,501.04
  5. Step 5: Solve for x
    x = 44,022,501.04/7,742.44
  6. Step 6: Final answer
    x = 5,685.87

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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.