Home / 4,687.11-7,027.19-2,837.78

Finding the Fourth Proportional to 4,687.11, 7,027.19 and 2,837.78

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Solution

The fourth proportional to 4,687.11, 7,027.19 and 2,837.78 is: 4,254.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,687.11 : 7,027.19 = 2,837.78 : x
  2. Step 2: Convert to fraction form
    4,687.11/7,027.19 = 2,837.78/x
  3. Step 3: Cross multiply
    4,687.11x = 7,027.19 × 2,837.78
  4. Step 4: Simplify right side
    4,687.11x = 19,941,622.62
  5. Step 5: Solve for x
    x = 19,941,622.62/4,687.11
  6. Step 6: Final answer
    x = 4,254.57

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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.