Home / 4,759.09-7,138.59-1,472.11

Finding the Fourth Proportional to 4,759.09, 7,138.59 and 1,472.11

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Solution

The fourth proportional to 4,759.09, 7,138.59 and 1,472.11 is: 2,208.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,759.09 : 7,138.59 = 1,472.11 : x
  2. Step 2: Convert to fraction form
    4,759.09/7,138.59 = 1,472.11/x
  3. Step 3: Cross multiply
    4,759.09x = 7,138.59 × 1,472.11
  4. Step 4: Simplify right side
    4,759.09x = 10,508,789.72
  5. Step 5: Solve for x
    x = 10,508,789.72/4,759.09
  6. Step 6: Final answer
    x = 2,208.15

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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.