Home / 7,691.24-10,611.67-5,176.19

Finding the Fourth Proportional to 7,691.24, 10,611.67 and 5,176.19

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Solution

The fourth proportional to 7,691.24, 10,611.67 and 5,176.19 is: 7,141.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,691.24 : 10,611.67 = 5,176.19 : x
  2. Step 2: Convert to fraction form
    7,691.24/10,611.67 = 5,176.19/x
  3. Step 3: Cross multiply
    7,691.24x = 10,611.67 × 5,176.19
  4. Step 4: Simplify right side
    7,691.24x = 54,928,020.14
  5. Step 5: Solve for x
    x = 54,928,020.14/7,691.24
  6. Step 6: Final answer
    x = 7,141.63

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.