Home / 5,121.83-7,676.52-2,895.14

Finding the Fourth Proportional to 5,121.83, 7,676.52 and 2,895.14

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Solution

The fourth proportional to 5,121.83, 7,676.52 and 2,895.14 is: 4,339.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,121.83 : 7,676.52 = 2,895.14 : x
  2. Step 2: Convert to fraction form
    5,121.83/7,676.52 = 2,895.14/x
  3. Step 3: Cross multiply
    5,121.83x = 7,676.52 × 2,895.14
  4. Step 4: Simplify right side
    5,121.83x = 22,224,561.73
  5. Step 5: Solve for x
    x = 22,224,561.73/5,121.83
  6. Step 6: Final answer
    x = 4,339.19

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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.