Home / 4,515.71-6,231.24-2,814.05

Finding the Fourth Proportional to 4,515.71, 6,231.24 and 2,814.05

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Solution

The fourth proportional to 4,515.71, 6,231.24 and 2,814.05 is: 3,883.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,515.71 : 6,231.24 = 2,814.05 : x
  2. Step 2: Convert to fraction form
    4,515.71/6,231.24 = 2,814.05/x
  3. Step 3: Cross multiply
    4,515.71x = 6,231.24 × 2,814.05
  4. Step 4: Simplify right side
    4,515.71x = 17,534,989.77
  5. Step 5: Solve for x
    x = 17,534,989.77/4,515.71
  6. Step 6: Final answer
    x = 3,883.11

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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.