Home / 5,015.21-6,920.46-2,777.03

Finding the Fourth Proportional to 5,015.21, 6,920.46 and 2,777.03

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Solution

The fourth proportional to 5,015.21, 6,920.46 and 2,777.03 is: 3,832.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,015.21 : 6,920.46 = 2,777.03 : x
  2. Step 2: Convert to fraction form
    5,015.21/6,920.46 = 2,777.03/x
  3. Step 3: Cross multiply
    5,015.21x = 6,920.46 × 2,777.03
  4. Step 4: Simplify right side
    5,015.21x = 19,218,304.73
  5. Step 5: Solve for x
    x = 19,218,304.73/5,015.21
  6. Step 6: Final answer
    x = 3,832.01

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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.