Home / 4,876.68-7,313.92-1,954.20

Finding the Fourth Proportional to 4,876.68, 7,313.92 and 1,954.20

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Solution

The fourth proportional to 4,876.68, 7,313.92 and 1,954.20 is: 2,930.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,876.68 : 7,313.92 = 1,954.20 : x
  2. Step 2: Convert to fraction form
    4,876.68/7,313.92 = 1,954.20/x
  3. Step 3: Cross multiply
    4,876.68x = 7,313.92 × 1,954.20
  4. Step 4: Simplify right side
    4,876.68x = 14,292,862.46
  5. Step 5: Solve for x
    x = 14,292,862.46/4,876.68
  6. Step 6: Final answer
    x = 2,930.86

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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.