Home / 8,108.97-11,191.53-4,572.51

Finding the Fourth Proportional to 8,108.97, 11,191.53 and 4,572.51

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Solution

The fourth proportional to 8,108.97, 11,191.53 and 4,572.51 is: 6,310.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,108.97 : 11,191.53 = 4,572.51 : x
  2. Step 2: Convert to fraction form
    8,108.97/11,191.53 = 4,572.51/x
  3. Step 3: Cross multiply
    8,108.97x = 11,191.53 × 4,572.51
  4. Step 4: Simplify right side
    8,108.97x = 51,173,382.84
  5. Step 5: Solve for x
    x = 51,173,382.84/8,108.97
  6. Step 6: Final answer
    x = 6,310.71

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Half scale
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Double 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.