Home / 4,743.70-7,111.87-3,074.30

Finding the Fourth Proportional to 4,743.70, 7,111.87 and 3,074.30

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Solution

The fourth proportional to 4,743.70, 7,111.87 and 3,074.30 is: 4,609.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,743.70 : 7,111.87 = 3,074.30 : x
  2. Step 2: Convert to fraction form
    4,743.70/7,111.87 = 3,074.30/x
  3. Step 3: Cross multiply
    4,743.70x = 7,111.87 × 3,074.30
  4. Step 4: Simplify right side
    4,743.70x = 21,864,006.57
  5. Step 5: Solve for x
    x = 21,864,006.57/4,743.70
  6. Step 6: Final answer
    x = 4,609.06

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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.