Home / 8,001.11-11,039.04-5,170.05

Finding the Fourth Proportional to 8,001.11, 11,039.04 and 5,170.05

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Solution

The fourth proportional to 8,001.11, 11,039.04 and 5,170.05 is: 7,133.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,001.11 : 11,039.04 = 5,170.05 : x
  2. Step 2: Convert to fraction form
    8,001.11/11,039.04 = 5,170.05/x
  3. Step 3: Cross multiply
    8,001.11x = 11,039.04 × 5,170.05
  4. Step 4: Simplify right side
    8,001.11x = 57,072,388.75
  5. Step 5: Solve for x
    x = 57,072,388.75/8,001.11
  6. Step 6: Final answer
    x = 7,133.06

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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.