Home / 6,505.05-9,756.59-2,122.50

Finding the Fourth Proportional to 6,505.05, 9,756.59 and 2,122.50

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Solution

The fourth proportional to 6,505.05, 9,756.59 and 2,122.50 is: 3,183.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,505.05 : 9,756.59 = 2,122.50 : x
  2. Step 2: Convert to fraction form
    6,505.05/9,756.59 = 2,122.50/x
  3. Step 3: Cross multiply
    6,505.05x = 9,756.59 × 2,122.50
  4. Step 4: Simplify right side
    6,505.05x = 20,708,351.66
  5. Step 5: Solve for x
    x = 20,708,351.66/6,505.05
  6. Step 6: Final answer
    x = 3,183.43

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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.