Home / 7,758.80-11,639.25-2,492.06

Finding the Fourth Proportional to 7,758.80, 11,639.25 and 2,492.06

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Solution

The fourth proportional to 7,758.80, 11,639.25 and 2,492.06 is: 3,738.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,758.80 : 11,639.25 = 2,492.06 : x
  2. Step 2: Convert to fraction form
    7,758.80/11,639.25 = 2,492.06/x
  3. Step 3: Cross multiply
    7,758.80x = 11,639.25 × 2,492.06
  4. Step 4: Simplify right side
    7,758.80x = 29,005,651.16
  5. Step 5: Solve for x
    x = 29,005,651.16/7,758.80
  6. Step 6: Final answer
    x = 3,738.42

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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.