Home / 5,084.17-7,629.90-2,618.63

Finding the Fourth Proportional to 5,084.17, 7,629.90 and 2,618.63

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Solution

The fourth proportional to 5,084.17, 7,629.90 and 2,618.63 is: 3,929.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,084.17 : 7,629.90 = 2,618.63 : x
  2. Step 2: Convert to fraction form
    5,084.17/7,629.90 = 2,618.63/x
  3. Step 3: Cross multiply
    5,084.17x = 7,629.90 × 2,618.63
  4. Step 4: Simplify right side
    5,084.17x = 19,979,865.68
  5. Step 5: Solve for x
    x = 19,979,865.68/5,084.17
  6. Step 6: Final answer
    x = 3,929.82

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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.