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Finding the Fourth Proportional to 4,791.70, 6,612.54 and 2,695.83

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Solution

The fourth proportional to 4,791.70, 6,612.54 and 2,695.83 is: 3,720.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,791.70 : 6,612.54 = 2,695.83 : x
  2. Step 2: Convert to fraction form
    4,791.70/6,612.54 = 2,695.83/x
  3. Step 3: Cross multiply
    4,791.70x = 6,612.54 × 2,695.83
  4. Step 4: Simplify right side
    4,791.70x = 17,826,237.17
  5. Step 5: Solve for x
    x = 17,826,237.17/4,791.70
  6. Step 6: Final answer
    x = 3,720.23

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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.