Home / 5,015.96-6,921.46-2,777.28

Finding the Fourth Proportional to 5,015.96, 6,921.46 and 2,777.28

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Solution

The fourth proportional to 5,015.96, 6,921.46 and 2,777.28 is: 3,832.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,015.96 : 6,921.46 = 2,777.28 : x
  2. Step 2: Convert to fraction form
    5,015.96/6,921.46 = 2,777.28/x
  3. Step 3: Cross multiply
    5,015.96x = 6,921.46 × 2,777.28
  4. Step 4: Simplify right side
    5,015.96x = 19,222,809.94
  5. Step 5: Solve for x
    x = 19,222,809.94/5,015.96
  6. Step 6: Final answer
    x = 3,832.33

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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.