Home / 5,105.14-7,044.90-3,119.02

Finding the Fourth Proportional to 5,105.14, 7,044.90 and 3,119.02

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Solution

The fourth proportional to 5,105.14, 7,044.90 and 3,119.02 is: 4,304.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,105.14 : 7,044.90 = 3,119.02 : x
  2. Step 2: Convert to fraction form
    5,105.14/7,044.90 = 3,119.02/x
  3. Step 3: Cross multiply
    5,105.14x = 7,044.90 × 3,119.02
  4. Step 4: Simplify right side
    5,105.14x = 21,973,184.00
  5. Step 5: Solve for x
    x = 21,973,184.00/5,105.14
  6. Step 6: Final answer
    x = 4,304.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.