Home / 7,175.11-10,763.75-2,557.75

Finding the Fourth Proportional to 7,175.11, 10,763.75 and 2,557.75

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Solution

The fourth proportional to 7,175.11, 10,763.75 and 2,557.75 is: 3,837.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,175.11 : 10,763.75 = 2,557.75 : x
  2. Step 2: Convert to fraction form
    7,175.11/10,763.75 = 2,557.75/x
  3. Step 3: Cross multiply
    7,175.11x = 10,763.75 × 2,557.75
  4. Step 4: Simplify right side
    7,175.11x = 27,530,981.56
  5. Step 5: Solve for x
    x = 27,530,981.56/7,175.11
  6. Step 6: Final answer
    x = 3,837.01

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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.