Home / 7,988.24-11,981.92-2,441.58

Finding the Fourth Proportional to 7,988.24, 11,981.92 and 2,441.58

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Solution

The fourth proportional to 7,988.24, 11,981.92 and 2,441.58 is: 3,662.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,988.24 : 11,981.92 = 2,441.58 : x
  2. Step 2: Convert to fraction form
    7,988.24/11,981.92 = 2,441.58/x
  3. Step 3: Cross multiply
    7,988.24x = 11,981.92 × 2,441.58
  4. Step 4: Simplify right side
    7,988.24x = 29,254,783.09
  5. Step 5: Solve for x
    x = 29,254,783.09/7,988.24
  6. Step 6: Final answer
    x = 3,662.23

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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.