Home / 7,214.15-10,814.84-2,531.24

Finding the Fourth Proportional to 7,214.15, 10,814.84 and 2,531.24

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Solution

The fourth proportional to 7,214.15, 10,814.84 and 2,531.24 is: 3,794.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,214.15 : 10,814.84 = 2,531.24 : x
  2. Step 2: Convert to fraction form
    7,214.15/10,814.84 = 2,531.24/x
  3. Step 3: Cross multiply
    7,214.15x = 10,814.84 × 2,531.24
  4. Step 4: Simplify right side
    7,214.15x = 27,374,888.87
  5. Step 5: Solve for x
    x = 27,374,888.87/7,214.15
  6. Step 6: Final answer
    x = 3,794.61

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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.