Home / 7,989.98-11,986.82-2,444.14

Finding the Fourth Proportional to 7,989.98, 11,986.82 and 2,444.14

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Solution

The fourth proportional to 7,989.98, 11,986.82 and 2,444.14 is: 3,666.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,989.98 : 11,986.82 = 2,444.14 : x
  2. Step 2: Convert to fraction form
    7,989.98/11,986.82 = 2,444.14/x
  3. Step 3: Cross multiply
    7,989.98x = 11,986.82 × 2,444.14
  4. Step 4: Simplify right side
    7,989.98x = 29,297,394.08
  5. Step 5: Solve for x
    x = 29,297,394.08/7,989.98
  6. Step 6: Final answer
    x = 3,666.77

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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.