Home / 5,019.15-6,926.33-2,781.02

Finding the Fourth Proportional to 5,019.15, 6,926.33 and 2,781.02

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Solution

The fourth proportional to 5,019.15, 6,926.33 and 2,781.02 is: 3,837.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,019.15 : 6,926.33 = 2,781.02 : x
  2. Step 2: Convert to fraction form
    5,019.15/6,926.33 = 2,781.02/x
  3. Step 3: Cross multiply
    5,019.15x = 6,926.33 × 2,781.02
  4. Step 4: Simplify right side
    5,019.15x = 19,262,227.62
  5. Step 5: Solve for x
    x = 19,262,227.62/5,019.15
  6. Step 6: Final answer
    x = 3,837.75

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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.