Home / 7,865.26-10,850.43-5,071.66

Finding the Fourth Proportional to 7,865.26, 10,850.43 and 5,071.66

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Solution

The fourth proportional to 7,865.26, 10,850.43 and 5,071.66 is: 6,996.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,865.26 : 10,850.43 = 5,071.66 : x
  2. Step 2: Convert to fraction form
    7,865.26/10,850.43 = 5,071.66/x
  3. Step 3: Cross multiply
    7,865.26x = 10,850.43 × 5,071.66
  4. Step 4: Simplify right side
    7,865.26x = 55,029,691.81
  5. Step 5: Solve for x
    x = 55,029,691.81/7,865.26
  6. Step 6: Final answer
    x = 6,996.55

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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.