Home / 8,340.36-11,508.78-4,755.43

Finding the Fourth Proportional to 8,340.36, 11,508.78 and 4,755.43

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Solution

The fourth proportional to 8,340.36, 11,508.78 and 4,755.43 is: 6,561.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,340.36 : 11,508.78 = 4,755.43 : x
  2. Step 2: Convert to fraction form
    8,340.36/11,508.78 = 4,755.43/x
  3. Step 3: Cross multiply
    8,340.36x = 11,508.78 × 4,755.43
  4. Step 4: Simplify right side
    8,340.36x = 54,729,197.68
  5. Step 5: Solve for x
    x = 54,729,197.68/8,340.36
  6. Step 6: Final answer
    x = 6,561.97

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Half scale
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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.