Home / 7,988.12-11,983.94-2,441.90

Finding the Fourth Proportional to 7,988.12, 11,983.94 and 2,441.90

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Solution

The fourth proportional to 7,988.12, 11,983.94 and 2,441.90 is: 3,663.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,988.12 : 11,983.94 = 2,441.90 : x
  2. Step 2: Convert to fraction form
    7,988.12/11,983.94 = 2,441.90/x
  3. Step 3: Cross multiply
    7,988.12x = 11,983.94 × 2,441.90
  4. Step 4: Simplify right side
    7,988.12x = 29,263,510.96
  5. Step 5: Solve for x
    x = 29,263,510.96/7,988.12
  6. Step 6: Final answer
    x = 3,663.38

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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.