Home / 4,689.11-7,027.56-1,912.53

Finding the Fourth Proportional to 4,689.11, 7,027.56 and 1,912.53

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Solution

The fourth proportional to 4,689.11, 7,027.56 and 1,912.53 is: 2,866.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,689.11 : 7,027.56 = 1,912.53 : x
  2. Step 2: Convert to fraction form
    4,689.11/7,027.56 = 1,912.53/x
  3. Step 3: Cross multiply
    4,689.11x = 7,027.56 × 1,912.53
  4. Step 4: Simplify right side
    4,689.11x = 13,440,419.33
  5. Step 5: Solve for x
    x = 13,440,419.33/4,689.11
  6. Step 6: Final answer
    x = 2,866.30

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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.