Home / 7,131.44-10,693.22-2,917.66

Finding the Fourth Proportional to 7,131.44, 10,693.22 and 2,917.66

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Solution

The fourth proportional to 7,131.44, 10,693.22 and 2,917.66 is: 4,374.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,131.44 : 10,693.22 = 2,917.66 : x
  2. Step 2: Convert to fraction form
    7,131.44/10,693.22 = 2,917.66/x
  3. Step 3: Cross multiply
    7,131.44x = 10,693.22 × 2,917.66
  4. Step 4: Simplify right side
    7,131.44x = 31,199,138.94
  5. Step 5: Solve for x
    x = 31,199,138.94/7,131.44
  6. Step 6: Final answer
    x = 4,374.87

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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.