Home / 6,772.22-9,341.91-3,939.28

Finding the Fourth Proportional to 6,772.22, 9,341.91 and 3,939.28

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Solution

The fourth proportional to 6,772.22, 9,341.91 and 3,939.28 is: 5,434.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,772.22 : 9,341.91 = 3,939.28 : x
  2. Step 2: Convert to fraction form
    6,772.22/9,341.91 = 3,939.28/x
  3. Step 3: Cross multiply
    6,772.22x = 9,341.91 × 3,939.28
  4. Step 4: Simplify right side
    6,772.22x = 36,800,356.17
  5. Step 5: Solve for x
    x = 36,800,356.17/6,772.22
  6. Step 6: Final answer
    x = 5,434.01

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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.