Home / 5,397.02-8,083.81-2,617.85

Finding the Fourth Proportional to 5,397.02, 8,083.81 and 2,617.85

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Solution

The fourth proportional to 5,397.02, 8,083.81 and 2,617.85 is: 3,921.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,397.02 : 8,083.81 = 2,617.85 : x
  2. Step 2: Convert to fraction form
    5,397.02/8,083.81 = 2,617.85/x
  3. Step 3: Cross multiply
    5,397.02x = 8,083.81 × 2,617.85
  4. Step 4: Simplify right side
    5,397.02x = 21,162,185.36
  5. Step 5: Solve for x
    x = 21,162,185.36/5,397.02
  6. Step 6: Final answer
    x = 3,921.09

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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.