Home / 4,644.36-6,408.18-2,781.96

Finding the Fourth Proportional to 4,644.36, 6,408.18 and 2,781.96

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Solution

The fourth proportional to 4,644.36, 6,408.18 and 2,781.96 is: 3,838.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,644.36 : 6,408.18 = 2,781.96 : x
  2. Step 2: Convert to fraction form
    4,644.36/6,408.18 = 2,781.96/x
  3. Step 3: Cross multiply
    4,644.36x = 6,408.18 × 2,781.96
  4. Step 4: Simplify right side
    4,644.36x = 17,827,300.43
  5. Step 5: Solve for x
    x = 17,827,300.43/4,644.36
  6. Step 6: Final answer
    x = 3,838.48

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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.