Home / 4,759.20-7,139.16-1,836.96

Finding the Fourth Proportional to 4,759.20, 7,139.16 and 1,836.96

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Solution

The fourth proportional to 4,759.20, 7,139.16 and 1,836.96 is: 2,755.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,759.20 : 7,139.16 = 1,836.96 : x
  2. Step 2: Convert to fraction form
    4,759.20/7,139.16 = 1,836.96/x
  3. Step 3: Cross multiply
    4,759.20x = 7,139.16 × 1,836.96
  4. Step 4: Simplify right side
    4,759.20x = 13,114,351.35
  5. Step 5: Solve for x
    x = 13,114,351.35/4,759.20
  6. Step 6: Final answer
    x = 2,755.58

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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.