Home / 8,204.18-11,317.46-6,211.28

Finding the Fourth Proportional to 8,204.18, 11,317.46 and 6,211.28

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Solution

The fourth proportional to 8,204.18, 11,317.46 and 6,211.28 is: 8,568.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,204.18 : 11,317.46 = 6,211.28 : x
  2. Step 2: Convert to fraction form
    8,204.18/11,317.46 = 6,211.28/x
  3. Step 3: Cross multiply
    8,204.18x = 11,317.46 × 6,211.28
  4. Step 4: Simplify right side
    8,204.18x = 70,295,910.19
  5. Step 5: Solve for x
    x = 70,295,910.19/8,204.18
  6. Step 6: Final answer
    x = 8,568.31

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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.