Home / 8,090.70-11,163.85-5,108.14

Finding the Fourth Proportional to 8,090.70, 11,163.85 and 5,108.14

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Solution

The fourth proportional to 8,090.70, 11,163.85 and 5,108.14 is: 7,048.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,090.70 : 11,163.85 = 5,108.14 : x
  2. Step 2: Convert to fraction form
    8,090.70/11,163.85 = 5,108.14/x
  3. Step 3: Cross multiply
    8,090.70x = 11,163.85 × 5,108.14
  4. Step 4: Simplify right side
    8,090.70x = 57,026,508.74
  5. Step 5: Solve for x
    x = 57,026,508.74/8,090.70
  6. Step 6: Final answer
    x = 7,048.40

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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.