Home / 4,908.74-7,360.92-1,787.72

Finding the Fourth Proportional to 4,908.74, 7,360.92 and 1,787.72

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Solution

The fourth proportional to 4,908.74, 7,360.92 and 1,787.72 is: 2,680.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,908.74 : 7,360.92 = 1,787.72 : x
  2. Step 2: Convert to fraction form
    4,908.74/7,360.92 = 1,787.72/x
  3. Step 3: Cross multiply
    4,908.74x = 7,360.92 × 1,787.72
  4. Step 4: Simplify right side
    4,908.74x = 13,159,227.10
  5. Step 5: Solve for x
    x = 13,159,227.10/4,908.74
  6. Step 6: Final answer
    x = 2,680.78

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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.