Home / 5,154.13-7,112.69-2,796.27

Finding the Fourth Proportional to 5,154.13, 7,112.69 and 2,796.27

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Solution

The fourth proportional to 5,154.13, 7,112.69 and 2,796.27 is: 3,858.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,154.13 : 7,112.69 = 2,796.27 : x
  2. Step 2: Convert to fraction form
    5,154.13/7,112.69 = 2,796.27/x
  3. Step 3: Cross multiply
    5,154.13x = 7,112.69 × 2,796.27
  4. Step 4: Simplify right side
    5,154.13x = 19,888,973.09
  5. Step 5: Solve for x
    x = 19,888,973.09/5,154.13
  6. Step 6: Final answer
    x = 3,858.85

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1.5x scale

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.