Home / 7,324.21-10,105.05-4,490.09

Finding the Fourth Proportional to 7,324.21, 10,105.05 and 4,490.09

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Solution

The fourth proportional to 7,324.21, 10,105.05 and 4,490.09 is: 6,194.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,324.21 : 10,105.05 = 4,490.09 : x
  2. Step 2: Convert to fraction form
    7,324.21/10,105.05 = 4,490.09/x
  3. Step 3: Cross multiply
    7,324.21x = 10,105.05 × 4,490.09
  4. Step 4: Simplify right side
    7,324.21x = 45,372,583.95
  5. Step 5: Solve for x
    x = 45,372,583.95/7,324.21
  6. Step 6: Final answer
    x = 6,194.88

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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.