Home / 4,076.10-6,127.20-3,787.20

Finding the Fourth Proportional to 4,076.10, 6,127.20 and 3,787.20

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Solution

The fourth proportional to 4,076.10, 6,127.20 and 3,787.20 is: 5,692.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,076.10 : 6,127.20 = 3,787.20 : x
  2. Step 2: Convert to fraction form
    4,076.10/6,127.20 = 3,787.20/x
  3. Step 3: Cross multiply
    4,076.10x = 6,127.20 × 3,787.20
  4. Step 4: Simplify right side
    4,076.10x = 23,204,931.84
  5. Step 5: Solve for x
    x = 23,204,931.84/4,076.10
  6. Step 6: Final answer
    x = 5,692.93

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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.