Home / 5,209.92-7,816.70-1,512.37

Finding the Fourth Proportional to 5,209.92, 7,816.70 and 1,512.37

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Solution

The fourth proportional to 5,209.92, 7,816.70 and 1,512.37 is: 2,269.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,209.92 : 7,816.70 = 1,512.37 : x
  2. Step 2: Convert to fraction form
    5,209.92/7,816.70 = 1,512.37/x
  3. Step 3: Cross multiply
    5,209.92x = 7,816.70 × 1,512.37
  4. Step 4: Simplify right side
    5,209.92x = 11,821,756.13
  5. Step 5: Solve for x
    x = 11,821,756.13/5,209.92
  6. Step 6: Final answer
    x = 2,269.09

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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.