Home / 7,738.66-11,606.25-2,190.52

Finding the Fourth Proportional to 7,738.66, 11,606.25 and 2,190.52

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Solution

The fourth proportional to 7,738.66, 11,606.25 and 2,190.52 is: 3,285.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,738.66 : 11,606.25 = 2,190.52 : x
  2. Step 2: Convert to fraction form
    7,738.66/11,606.25 = 2,190.52/x
  3. Step 3: Cross multiply
    7,738.66x = 11,606.25 × 2,190.52
  4. Step 4: Simplify right side
    7,738.66x = 25,423,722.75
  5. Step 5: Solve for x
    x = 25,423,722.75/7,738.66
  6. Step 6: Final answer
    x = 3,285.29

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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.