Home / 5,154.20-7,112.78-2,796.33

Finding the Fourth Proportional to 5,154.20, 7,112.78 and 2,796.33

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Solution

The fourth proportional to 5,154.20, 7,112.78 and 2,796.33 is: 3,858.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,154.20 : 7,112.78 = 2,796.33 : x
  2. Step 2: Convert to fraction form
    5,154.20/7,112.78 = 2,796.33/x
  3. Step 3: Cross multiply
    5,154.20x = 7,112.78 × 2,796.33
  4. Step 4: Simplify right side
    5,154.20x = 19,889,666.12
  5. Step 5: Solve for x
    x = 19,889,666.12/5,154.20
  6. Step 6: Final answer
    x = 3,858.93

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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.