Home / 7,994.07-11,920.66-7,440.03

Finding the Fourth Proportional to 7,994.07, 11,920.66 and 7,440.03

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Solution

The fourth proportional to 7,994.07, 11,920.66 and 7,440.03 is: 11,094.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,994.07 : 11,920.66 = 7,440.03 : x
  2. Step 2: Convert to fraction form
    7,994.07/11,920.66 = 7,440.03/x
  3. Step 3: Cross multiply
    7,994.07x = 11,920.66 × 7,440.03
  4. Step 4: Simplify right side
    7,994.07x = 88,690,049.42
  5. Step 5: Solve for x
    x = 88,690,049.42/7,994.07
  6. Step 6: Final answer
    x = 11,094.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.