Home / 4,876.50-7,314.81-3,908.76

Finding the Fourth Proportional to 4,876.50, 7,314.81 and 3,908.76

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Solution

The fourth proportional to 4,876.50, 7,314.81 and 3,908.76 is: 5,863.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,876.50 : 7,314.81 = 3,908.76 : x
  2. Step 2: Convert to fraction form
    4,876.50/7,314.81 = 3,908.76/x
  3. Step 3: Cross multiply
    4,876.50x = 7,314.81 × 3,908.76
  4. Step 4: Simplify right side
    4,876.50x = 28,591,794.65
  5. Step 5: Solve for x
    x = 28,591,794.65/4,876.50
  6. Step 6: Final answer
    x = 5,863.17

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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.