Home / 7,972.18-11,961.92-3,042.93

Finding the Fourth Proportional to 7,972.18, 11,961.92 and 3,042.93

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Solution

The fourth proportional to 7,972.18, 11,961.92 and 3,042.93 is: 4,565.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,972.18 : 11,961.92 = 3,042.93 : x
  2. Step 2: Convert to fraction form
    7,972.18/11,961.92 = 3,042.93/x
  3. Step 3: Cross multiply
    7,972.18x = 11,961.92 × 3,042.93
  4. Step 4: Simplify right side
    7,972.18x = 36,399,285.23
  5. Step 5: Solve for x
    x = 36,399,285.23/7,972.18
  6. Step 6: Final answer
    x = 4,565.79

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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.