Home / 5,154.69-7,113.44-2,796.78

Finding the Fourth Proportional to 5,154.69, 7,113.44 and 2,796.78

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Solution

The fourth proportional to 5,154.69, 7,113.44 and 2,796.78 is: 3,859.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,154.69 : 7,113.44 = 2,796.78 : x
  2. Step 2: Convert to fraction form
    5,154.69/7,113.44 = 2,796.78/x
  3. Step 3: Cross multiply
    5,154.69x = 7,113.44 × 2,796.78
  4. Step 4: Simplify right side
    5,154.69x = 19,894,726.72
  5. Step 5: Solve for x
    x = 19,894,726.72/5,154.69
  6. Step 6: Final answer
    x = 3,859.54

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