Home / 5,291.05-7,937.04-2,171.29

Finding the Fourth Proportional to 5,291.05, 7,937.04 and 2,171.29

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Solution

The fourth proportional to 5,291.05, 7,937.04 and 2,171.29 is: 3,257.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,291.05 : 7,937.04 = 2,171.29 : x
  2. Step 2: Convert to fraction form
    5,291.05/7,937.04 = 2,171.29/x
  3. Step 3: Cross multiply
    5,291.05x = 7,937.04 × 2,171.29
  4. Step 4: Simplify right side
    5,291.05x = 17,233,615.58
  5. Step 5: Solve for x
    x = 17,233,615.58/5,291.05
  6. Step 6: Final answer
    x = 3,257.13

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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.