Home / 4,751.25-7,120.59-3,439.39

Finding the Fourth Proportional to 4,751.25, 7,120.59 and 3,439.39

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Solution

The fourth proportional to 4,751.25, 7,120.59 and 3,439.39 is: 5,154.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,751.25 : 7,120.59 = 3,439.39 : x
  2. Step 2: Convert to fraction form
    4,751.25/7,120.59 = 3,439.39/x
  3. Step 3: Cross multiply
    4,751.25x = 7,120.59 × 3,439.39
  4. Step 4: Simplify right side
    4,751.25x = 24,490,450.44
  5. Step 5: Solve for x
    x = 24,490,450.44/4,751.25
  6. Step 6: Final answer
    x = 5,154.53

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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.