Home / 4,789.36-7,181.72-1,669.29

Finding the Fourth Proportional to 4,789.36, 7,181.72 and 1,669.29

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Solution

The fourth proportional to 4,789.36, 7,181.72 and 1,669.29 is: 2,503.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,789.36 : 7,181.72 = 1,669.29 : x
  2. Step 2: Convert to fraction form
    4,789.36/7,181.72 = 1,669.29/x
  3. Step 3: Cross multiply
    4,789.36x = 7,181.72 × 1,669.29
  4. Step 4: Simplify right side
    4,789.36x = 11,988,377.55
  5. Step 5: Solve for x
    x = 11,988,377.55/4,789.36
  6. Step 6: Final answer
    x = 2,503.13

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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.