Home / 5,154.06-7,112.61-2,796.21

Finding the Fourth Proportional to 5,154.06, 7,112.61 and 2,796.21

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Solution

The fourth proportional to 5,154.06, 7,112.61 and 2,796.21 is: 3,858.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,154.06 : 7,112.61 = 2,796.21 : x
  2. Step 2: Convert to fraction form
    5,154.06/7,112.61 = 2,796.21/x
  3. Step 3: Cross multiply
    5,154.06x = 7,112.61 × 2,796.21
  4. Step 4: Simplify right side
    5,154.06x = 19,888,351.21
  5. Step 5: Solve for x
    x = 19,888,351.21/5,154.06
  6. Step 6: Final answer
    x = 3,858.77

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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.