Home / 7,690.73-11,536.10-2,144.09

Finding the Fourth Proportional to 7,690.73, 11,536.10 and 2,144.09

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Solution

The fourth proportional to 7,690.73, 11,536.10 and 2,144.09 is: 3,216.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,690.73 : 11,536.10 = 2,144.09 : x
  2. Step 2: Convert to fraction form
    7,690.73/11,536.10 = 2,144.09/x
  3. Step 3: Cross multiply
    7,690.73x = 11,536.10 × 2,144.09
  4. Step 4: Simplify right side
    7,690.73x = 24,734,436.65
  5. Step 5: Solve for x
    x = 24,734,436.65/7,690.73
  6. Step 6: Final answer
    x = 3,216.14

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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.