Home / 5,146.13-7,101.66-2,788.27

Finding the Fourth Proportional to 5,146.13, 7,101.66 and 2,788.27

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Solution

The fourth proportional to 5,146.13, 7,101.66 and 2,788.27 is: 3,847.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,146.13 : 7,101.66 = 2,788.27 : x
  2. Step 2: Convert to fraction form
    5,146.13/7,101.66 = 2,788.27/x
  3. Step 3: Cross multiply
    5,146.13x = 7,101.66 × 2,788.27
  4. Step 4: Simplify right side
    5,146.13x = 19,801,345.53
  5. Step 5: Solve for x
    x = 19,801,345.53/5,146.13
  6. Step 6: Final answer
    x = 3,847.81

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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.