Home / 4,945.19-7,407.99-2,863.89

Finding the Fourth Proportional to 4,945.19, 7,407.99 and 2,863.89

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Solution

The fourth proportional to 4,945.19, 7,407.99 and 2,863.89 is: 4,290.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,945.19 : 7,407.99 = 2,863.89 : x
  2. Step 2: Convert to fraction form
    4,945.19/7,407.99 = 2,863.89/x
  3. Step 3: Cross multiply
    4,945.19x = 7,407.99 × 2,863.89
  4. Step 4: Simplify right side
    4,945.19x = 21,215,668.48
  5. Step 5: Solve for x
    x = 21,215,668.48/4,945.19
  6. Step 6: Final answer
    x = 4,290.17

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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.