Home / 7,481.78-10,326.84-4,418.31

Finding the Fourth Proportional to 7,481.78, 10,326.84 and 4,418.31

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Solution

The fourth proportional to 7,481.78, 10,326.84 and 4,418.31 is: 6,098.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,481.78 : 10,326.84 = 4,418.31 : x
  2. Step 2: Convert to fraction form
    7,481.78/10,326.84 = 4,418.31/x
  3. Step 3: Cross multiply
    7,481.78x = 10,326.84 × 4,418.31
  4. Step 4: Simplify right side
    7,481.78x = 45,627,227.45
  5. Step 5: Solve for x
    x = 45,627,227.45/7,481.78
  6. Step 6: Final answer
    x = 6,098.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.