Home / 7,990.62-11,987.69-2,444.39

Finding the Fourth Proportional to 7,990.62, 11,987.69 and 2,444.39

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Solution

The fourth proportional to 7,990.62, 11,987.69 and 2,444.39 is: 3,667.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,990.62 : 11,987.69 = 2,444.39 : x
  2. Step 2: Convert to fraction form
    7,990.62/11,987.69 = 2,444.39/x
  3. Step 3: Cross multiply
    7,990.62x = 11,987.69 × 2,444.39
  4. Step 4: Simplify right side
    7,990.62x = 29,302,589.56
  5. Step 5: Solve for x
    x = 29,302,589.56/7,990.62
  6. Step 6: Final answer
    x = 3,667.12

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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.