Home / 7,945.52-11,918.82-2,398.46

Finding the Fourth Proportional to 7,945.52, 11,918.82 and 2,398.46

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Solution

The fourth proportional to 7,945.52, 11,918.82 and 2,398.46 is: 3,597.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,945.52 : 11,918.82 = 2,398.46 : x
  2. Step 2: Convert to fraction form
    7,945.52/11,918.82 = 2,398.46/x
  3. Step 3: Cross multiply
    7,945.52x = 11,918.82 × 2,398.46
  4. Step 4: Simplify right side
    7,945.52x = 28,586,813.02
  5. Step 5: Solve for x
    x = 28,586,813.02/7,945.52
  6. Step 6: Final answer
    x = 3,597.85

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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.