Home / 7,944.80-11,917.28-2,398.19

Finding the Fourth Proportional to 7,944.80, 11,917.28 and 2,398.19

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Solution

The fourth proportional to 7,944.80, 11,917.28 and 2,398.19 is: 3,597.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,944.80 : 11,917.28 = 2,398.19 : x
  2. Step 2: Convert to fraction form
    7,944.80/11,917.28 = 2,398.19/x
  3. Step 3: Cross multiply
    7,944.80x = 11,917.28 × 2,398.19
  4. Step 4: Simplify right side
    7,944.80x = 28,579,901.72
  5. Step 5: Solve for x
    x = 28,579,901.72/7,944.80
  6. Step 6: Final answer
    x = 3,597.31

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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.