Home / 4,918.92-6,787.70-2,822.60

Finding the Fourth Proportional to 4,918.92, 6,787.70 and 2,822.60

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Solution

The fourth proportional to 4,918.92, 6,787.70 and 2,822.60 is: 3,894.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,918.92 : 6,787.70 = 2,822.60 : x
  2. Step 2: Convert to fraction form
    4,918.92/6,787.70 = 2,822.60/x
  3. Step 3: Cross multiply
    4,918.92x = 6,787.70 × 2,822.60
  4. Step 4: Simplify right side
    4,918.92x = 19,158,962.02
  5. Step 5: Solve for x
    x = 19,158,962.02/4,918.92
  6. Step 6: Final answer
    x = 3,894.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.