Home / 6,343.28-8,755.62-4,105.10

Finding the Fourth Proportional to 6,343.28, 8,755.62 and 4,105.10

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Solution

The fourth proportional to 6,343.28, 8,755.62 and 4,105.10 is: 5,666.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,343.28 : 8,755.62 = 4,105.10 : x
  2. Step 2: Convert to fraction form
    6,343.28/8,755.62 = 4,105.10/x
  3. Step 3: Cross multiply
    6,343.28x = 8,755.62 × 4,105.10
  4. Step 4: Simplify right side
    6,343.28x = 35,942,695.66
  5. Step 5: Solve for x
    x = 35,942,695.66/6,343.28
  6. Step 6: Final answer
    x = 5,666.26

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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.