Home / 7,621.64-11,424.62-3,464.54

Finding the Fourth Proportional to 7,621.64, 11,424.62 and 3,464.54

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Solution

The fourth proportional to 7,621.64, 11,424.62 and 3,464.54 is: 5,193.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,621.64 : 11,424.62 = 3,464.54 : x
  2. Step 2: Convert to fraction form
    7,621.64/11,424.62 = 3,464.54/x
  3. Step 3: Cross multiply
    7,621.64x = 11,424.62 × 3,464.54
  4. Step 4: Simplify right side
    7,621.64x = 39,581,052.97
  5. Step 5: Solve for x
    x = 39,581,052.97/7,621.64
  6. Step 6: Final answer
    x = 5,193.25

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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.