Home / 5,179.05-7,767.47-1,669.37

Finding the Fourth Proportional to 5,179.05, 7,767.47 and 1,669.37

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Solution

The fourth proportional to 5,179.05, 7,767.47 and 1,669.37 is: 2,503.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,179.05 : 7,767.47 = 1,669.37 : x
  2. Step 2: Convert to fraction form
    5,179.05/7,767.47 = 1,669.37/x
  3. Step 3: Cross multiply
    5,179.05x = 7,767.47 × 1,669.37
  4. Step 4: Simplify right side
    5,179.05x = 12,966,734.21
  5. Step 5: Solve for x
    x = 12,966,734.21/5,179.05
  6. Step 6: Final answer
    x = 2,503.69

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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.