Home / 8,869.72-13,304.49-2,629.78

Finding the Fourth Proportional to 8,869.72, 13,304.49 and 2,629.78

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Solution

The fourth proportional to 8,869.72, 13,304.49 and 2,629.78 is: 3,944.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,869.72 : 13,304.49 = 2,629.78 : x
  2. Step 2: Convert to fraction form
    8,869.72/13,304.49 = 2,629.78/x
  3. Step 3: Cross multiply
    8,869.72x = 13,304.49 × 2,629.78
  4. Step 4: Simplify right side
    8,869.72x = 34,987,881.71
  5. Step 5: Solve for x
    x = 34,987,881.71/8,869.72
  6. Step 6: Final answer
    x = 3,944.64

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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.