Home / 4,908.81-7,361.66-1,621.29

Finding the Fourth Proportional to 4,908.81, 7,361.66 and 1,621.29

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Solution

The fourth proportional to 4,908.81, 7,361.66 and 1,621.29 is: 2,431.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,908.81 : 7,361.66 = 1,621.29 : x
  2. Step 2: Convert to fraction form
    4,908.81/7,361.66 = 1,621.29/x
  3. Step 3: Cross multiply
    4,908.81x = 7,361.66 × 1,621.29
  4. Step 4: Simplify right side
    4,908.81x = 11,935,377.63
  5. Step 5: Solve for x
    x = 11,935,377.63/4,908.81
  6. Step 6: Final answer
    x = 2,431.42

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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.