Home / 5,916.78-8,165.48-3,398.88

Finding the Fourth Proportional to 5,916.78, 8,165.48 and 3,398.88

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Solution

The fourth proportional to 5,916.78, 8,165.48 and 3,398.88 is: 4,690.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,916.78 : 8,165.48 = 3,398.88 : x
  2. Step 2: Convert to fraction form
    5,916.78/8,165.48 = 3,398.88/x
  3. Step 3: Cross multiply
    5,916.78x = 8,165.48 × 3,398.88
  4. Step 4: Simplify right side
    5,916.78x = 27,753,469.67
  5. Step 5: Solve for x
    x = 27,753,469.67/5,916.78
  6. Step 6: Final answer
    x = 4,690.64

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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.