Home / 4,721.19-7,077.20-2,255.37

Finding the Fourth Proportional to 4,721.19, 7,077.20 and 2,255.37

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Solution

The fourth proportional to 4,721.19, 7,077.20 and 2,255.37 is: 3,380.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,721.19 : 7,077.20 = 2,255.37 : x
  2. Step 2: Convert to fraction form
    4,721.19/7,077.20 = 2,255.37/x
  3. Step 3: Cross multiply
    4,721.19x = 7,077.20 × 2,255.37
  4. Step 4: Simplify right side
    4,721.19x = 15,961,693.29
  5. Step 5: Solve for x
    x = 15,961,693.29/4,721.19
  6. Step 6: Final answer
    x = 3,380.86

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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.