Home / 5,190.57-7,787.67-2,269.10

Finding the Fourth Proportional to 5,190.57, 7,787.67 and 2,269.10

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Solution

The fourth proportional to 5,190.57, 7,787.67 and 2,269.10 is: 3,404.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,190.57 : 7,787.67 = 2,269.10 : x
  2. Step 2: Convert to fraction form
    5,190.57/7,787.67 = 2,269.10/x
  3. Step 3: Cross multiply
    5,190.57x = 7,787.67 × 2,269.10
  4. Step 4: Simplify right side
    5,190.57x = 17,670,963.06
  5. Step 5: Solve for x
    x = 17,670,963.06/5,190.57
  6. Step 6: Final answer
    x = 3,404.44

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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.