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Finding the Fourth Proportional to 6,910, 9,542.28 and 4,819.92

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Solution

The fourth proportional to 6,910, 9,542.28 and 4,819.92 is: 6,656.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,910 : 9,542.28 = 4,819.92 : x
  2. Step 2: Convert to fraction form
    6,910/9,542.28 = 4,819.92/x
  3. Step 3: Cross multiply
    6,910x = 9,542.28 × 4,819.92
  4. Step 4: Simplify right side
    6,910x = 45,993,026.22
  5. Step 5: Solve for x
    x = 45,993,026.22/6,910
  6. Step 6: Final answer
    x = 6,656.01

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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.