Home / 8,108.07-11,190.38-5,869.14

Finding the Fourth Proportional to 8,108.07, 11,190.38 and 5,869.14

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Solution

The fourth proportional to 8,108.07, 11,190.38 and 5,869.14 is: 8,100.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,108.07 : 11,190.38 = 5,869.14 : x
  2. Step 2: Convert to fraction form
    8,108.07/11,190.38 = 5,869.14/x
  3. Step 3: Cross multiply
    8,108.07x = 11,190.38 × 5,869.14
  4. Step 4: Simplify right side
    8,108.07x = 65,677,877.53
  5. Step 5: Solve for x
    x = 65,677,877.53/8,108.07
  6. Step 6: Final answer
    x = 8,100.31

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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.