Home / 4,743.14-7,115.52-2,111.58

Finding the Fourth Proportional to 4,743.14, 7,115.52 and 2,111.58

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Solution

The fourth proportional to 4,743.14, 7,115.52 and 2,111.58 is: 3,167.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,743.14 : 7,115.52 = 2,111.58 : x
  2. Step 2: Convert to fraction form
    4,743.14/7,115.52 = 2,111.58/x
  3. Step 3: Cross multiply
    4,743.14x = 7,115.52 × 2,111.58
  4. Step 4: Simplify right side
    4,743.14x = 15,024,989.72
  5. Step 5: Solve for x
    x = 15,024,989.72/4,743.14
  6. Step 6: Final answer
    x = 3,167.73

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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.