Home / 5,179.23-7,767.77-1,669.55

Finding the Fourth Proportional to 5,179.23, 7,767.77 and 1,669.55

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Solution

The fourth proportional to 5,179.23, 7,767.77 and 1,669.55 is: 2,503.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,179.23 : 7,767.77 = 1,669.55 : x
  2. Step 2: Convert to fraction form
    5,179.23/7,767.77 = 1,669.55/x
  3. Step 3: Cross multiply
    5,179.23x = 7,767.77 × 1,669.55
  4. Step 4: Simplify right side
    5,179.23x = 12,968,633.22
  5. Step 5: Solve for x
    x = 12,968,633.22/5,179.23
  6. Step 6: Final answer
    x = 2,503.97

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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.