Home / 4,787.46-7,182.99-1,667.70

Finding the Fourth Proportional to 4,787.46, 7,182.99 and 1,667.70

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Solution

The fourth proportional to 4,787.46, 7,182.99 and 1,667.70 is: 2,502.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,787.46 : 7,182.99 = 1,667.70 : x
  2. Step 2: Convert to fraction form
    4,787.46/7,182.99 = 1,667.70/x
  3. Step 3: Cross multiply
    4,787.46x = 7,182.99 × 1,667.70
  4. Step 4: Simplify right side
    4,787.46x = 11,979,072.42
  5. Step 5: Solve for x
    x = 11,979,072.42/4,787.46
  6. Step 6: Final answer
    x = 2,502.18

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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.