Home / 5,147.82-7,715.52-2,370.69

Finding the Fourth Proportional to 5,147.82, 7,715.52 and 2,370.69

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Solution

The fourth proportional to 5,147.82, 7,715.52 and 2,370.69 is: 3,553.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,147.82 : 7,715.52 = 2,370.69 : x
  2. Step 2: Convert to fraction form
    5,147.82/7,715.52 = 2,370.69/x
  3. Step 3: Cross multiply
    5,147.82x = 7,715.52 × 2,370.69
  4. Step 4: Simplify right side
    5,147.82x = 18,291,106.11
  5. Step 5: Solve for x
    x = 18,291,106.11/5,147.82
  6. Step 6: Final answer
    x = 3,553.18

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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.