Home / 7,801.13-11,694.74-2,869.58

Finding the Fourth Proportional to 7,801.13, 11,694.74 and 2,869.58

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Solution

The fourth proportional to 7,801.13, 11,694.74 and 2,869.58 is: 4,301.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,801.13 : 11,694.74 = 2,869.58 : x
  2. Step 2: Convert to fraction form
    7,801.13/11,694.74 = 2,869.58/x
  3. Step 3: Cross multiply
    7,801.13x = 11,694.74 × 2,869.58
  4. Step 4: Simplify right side
    7,801.13x = 33,558,919.19
  5. Step 5: Solve for x
    x = 33,558,919.19/7,801.13
  6. Step 6: Final answer
    x = 4,301.81

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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.