Home / 3,963.13-5,469.83-2,547.25

Finding the Fourth Proportional to 3,963.13, 5,469.83 and 2,547.25

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Solution

The fourth proportional to 3,963.13, 5,469.83 and 2,547.25 is: 3,515.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,963.13 : 5,469.83 = 2,547.25 : x
  2. Step 2: Convert to fraction form
    3,963.13/5,469.83 = 2,547.25/x
  3. Step 3: Cross multiply
    3,963.13x = 5,469.83 × 2,547.25
  4. Step 4: Simplify right side
    3,963.13x = 13,933,024.47
  5. Step 5: Solve for x
    x = 13,933,024.47/3,963.13
  6. Step 6: Final answer
    x = 3,515.66

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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.