Home / 7,207.92-10,813.68-2,013.75

Finding the Fourth Proportional to 7,207.92, 10,813.68 and 2,013.75

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Solution

The fourth proportional to 7,207.92, 10,813.68 and 2,013.75 is: 3,021.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,207.92 : 10,813.68 = 2,013.75 : x
  2. Step 2: Convert to fraction form
    7,207.92/10,813.68 = 2,013.75/x
  3. Step 3: Cross multiply
    7,207.92x = 10,813.68 × 2,013.75
  4. Step 4: Simplify right side
    7,207.92x = 21,776,048.10
  5. Step 5: Solve for x
    x = 21,776,048.10/7,207.92
  6. Step 6: Final answer
    x = 3,021.13

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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.