Home / 7,836.22-11,756.31-3,617.44

Finding the Fourth Proportional to 7,836.22, 11,756.31 and 3,617.44

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Solution

The fourth proportional to 7,836.22, 11,756.31 and 3,617.44 is: 5,427.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,836.22 : 11,756.31 = 3,617.44 : x
  2. Step 2: Convert to fraction form
    7,836.22/11,756.31 = 3,617.44/x
  3. Step 3: Cross multiply
    7,836.22x = 11,756.31 × 3,617.44
  4. Step 4: Simplify right side
    7,836.22x = 42,527,746.05
  5. Step 5: Solve for x
    x = 42,527,746.05/7,836.22
  6. Step 6: Final answer
    x = 5,427.07

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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.