Home / 4,787.30-7,176.68-1,864.93

Finding the Fourth Proportional to 4,787.30, 7,176.68 and 1,864.93

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Solution

The fourth proportional to 4,787.30, 7,176.68 and 1,864.93 is: 2,795.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,787.30 : 7,176.68 = 1,864.93 : x
  2. Step 2: Convert to fraction form
    4,787.30/7,176.68 = 1,864.93/x
  3. Step 3: Cross multiply
    4,787.30x = 7,176.68 × 1,864.93
  4. Step 4: Simplify right side
    4,787.30x = 13,383,960.62
  5. Step 5: Solve for x
    x = 13,383,960.62/4,787.30
  6. Step 6: Final answer
    x = 2,795.73

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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.