Home / 4,759.81-7,138.56-1,836.25

Finding the Fourth Proportional to 4,759.81, 7,138.56 and 1,836.25

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Solution

The fourth proportional to 4,759.81, 7,138.56 and 1,836.25 is: 2,753.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,759.81 : 7,138.56 = 1,836.25 : x
  2. Step 2: Convert to fraction form
    4,759.81/7,138.56 = 1,836.25/x
  3. Step 3: Cross multiply
    4,759.81x = 7,138.56 × 1,836.25
  4. Step 4: Simplify right side
    4,759.81x = 13,108,180.80
  5. Step 5: Solve for x
    x = 13,108,180.80/4,759.81
  6. Step 6: Final answer
    x = 2,753.93

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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.