Home / 7,902.93-11,853.82-2,972.19

Finding the Fourth Proportional to 7,902.93, 11,853.82 and 2,972.19

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Solution

The fourth proportional to 7,902.93, 11,853.82 and 2,972.19 is: 4,458.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,902.93 : 11,853.82 = 2,972.19 : x
  2. Step 2: Convert to fraction form
    7,902.93/11,853.82 = 2,972.19/x
  3. Step 3: Cross multiply
    7,902.93x = 11,853.82 × 2,972.19
  4. Step 4: Simplify right side
    7,902.93x = 35,231,805.27
  5. Step 5: Solve for x
    x = 35,231,805.27/7,902.93
  6. Step 6: Final answer
    x = 4,458.07

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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.