Home / 4,787.30-7,184.46-3,143.27

Finding the Fourth Proportional to 4,787.30, 7,184.46 and 3,143.27

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Solution

The fourth proportional to 4,787.30, 7,184.46 and 3,143.27 is: 4,717.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,787.30 : 7,184.46 = 3,143.27 : x
  2. Step 2: Convert to fraction form
    4,787.30/7,184.46 = 3,143.27/x
  3. Step 3: Cross multiply
    4,787.30x = 7,184.46 × 3,143.27
  4. Step 4: Simplify right side
    4,787.30x = 22,582,661.66
  5. Step 5: Solve for x
    x = 22,582,661.66/4,787.30
  6. Step 6: Final answer
    x = 4,717.21

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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.