Home / 5,316.49-7,976.78-2,028.82

Finding the Fourth Proportional to 5,316.49, 7,976.78 and 2,028.82

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Solution

The fourth proportional to 5,316.49, 7,976.78 and 2,028.82 is: 3,044.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,316.49 : 7,976.78 = 2,028.82 : x
  2. Step 2: Convert to fraction form
    5,316.49/7,976.78 = 2,028.82/x
  3. Step 3: Cross multiply
    5,316.49x = 7,976.78 × 2,028.82
  4. Step 4: Simplify right side
    5,316.49x = 16,183,465.71
  5. Step 5: Solve for x
    x = 16,183,465.71/5,316.49
  6. Step 6: Final answer
    x = 3,044.02

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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.