Home / 5,135.44-7,701.84-2,015.56

Finding the Fourth Proportional to 5,135.44, 7,701.84 and 2,015.56

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Solution

The fourth proportional to 5,135.44, 7,701.84 and 2,015.56 is: 3,022.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,135.44 : 7,701.84 = 2,015.56 : x
  2. Step 2: Convert to fraction form
    5,135.44/7,701.84 = 2,015.56/x
  3. Step 3: Cross multiply
    5,135.44x = 7,701.84 × 2,015.56
  4. Step 4: Simplify right side
    5,135.44x = 15,523,520.63
  5. Step 5: Solve for x
    x = 15,523,520.63/5,135.44
  6. Step 6: Final answer
    x = 3,022.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.