Home / 7,719.26-11,578.88-2,525.14

Finding the Fourth Proportional to 7,719.26, 11,578.88 and 2,525.14

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Solution

The fourth proportional to 7,719.26, 11,578.88 and 2,525.14 is: 3,787.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,719.26 : 11,578.88 = 2,525.14 : x
  2. Step 2: Convert to fraction form
    7,719.26/11,578.88 = 2,525.14/x
  3. Step 3: Cross multiply
    7,719.26x = 11,578.88 × 2,525.14
  4. Step 4: Simplify right side
    7,719.26x = 29,238,293.04
  5. Step 5: Solve for x
    x = 29,238,293.04/7,719.26
  6. Step 6: Final answer
    x = 3,787.71

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1.5x scale

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.