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Finding the Fourth Proportional to 5,569, 8,347.93 and 2,787.18

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Solution

The fourth proportional to 5,569, 8,347.93 and 2,787.18 is: 4,177.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,569 : 8,347.93 = 2,787.18 : x
  2. Step 2: Convert to fraction form
    5,569/8,347.93 = 2,787.18/x
  3. Step 3: Cross multiply
    5,569x = 8,347.93 × 2,787.18
  4. Step 4: Simplify right side
    5,569x = 23,267,183.54
  5. Step 5: Solve for x
    x = 23,267,183.54/5,569
  6. Step 6: Final answer
    x = 4,177.98

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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.