Home / 4,617.60-6,918.30-3,791.40

Finding the Fourth Proportional to 4,617.60, 6,918.30 and 3,791.40

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Solution

The fourth proportional to 4,617.60, 6,918.30 and 3,791.40 is: 5,680.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,617.60 : 6,918.30 = 3,791.40 : x
  2. Step 2: Convert to fraction form
    4,617.60/6,918.30 = 3,791.40/x
  3. Step 3: Cross multiply
    4,617.60x = 6,918.30 × 3,791.40
  4. Step 4: Simplify right side
    4,617.60x = 26,230,042.62
  5. Step 5: Solve for x
    x = 26,230,042.62/4,617.60
  6. Step 6: Final answer
    x = 5,680.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.