Home / 4,876.90-7,314.81-1,414.15

Finding the Fourth Proportional to 4,876.90, 7,314.81 and 1,414.15

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Solution

The fourth proportional to 4,876.90, 7,314.81 and 1,414.15 is: 2,121.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,876.90 : 7,314.81 = 1,414.15 : x
  2. Step 2: Convert to fraction form
    4,876.90/7,314.81 = 1,414.15/x
  3. Step 3: Cross multiply
    4,876.90x = 7,314.81 × 1,414.15
  4. Step 4: Simplify right side
    4,876.90x = 10,344,238.56
  5. Step 5: Solve for x
    x = 10,344,238.56/4,876.90
  6. Step 6: Final answer
    x = 2,121.07

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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.