Home / 7,743.28-11,611.94-3,792.10

Finding the Fourth Proportional to 7,743.28, 11,611.94 and 3,792.10

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Solution

The fourth proportional to 7,743.28, 11,611.94 and 3,792.10 is: 5,686.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,743.28 : 11,611.94 = 3,792.10 : x
  2. Step 2: Convert to fraction form
    7,743.28/11,611.94 = 3,792.10/x
  3. Step 3: Cross multiply
    7,743.28x = 11,611.94 × 3,792.10
  4. Step 4: Simplify right side
    7,743.28x = 44,033,637.67
  5. Step 5: Solve for x
    x = 44,033,637.67/7,743.28
  6. Step 6: Final answer
    x = 5,686.69

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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.