Home / 5,408.24-8,112.48-1,512.56

Finding the Fourth Proportional to 5,408.24, 8,112.48 and 1,512.56

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Solution

The fourth proportional to 5,408.24, 8,112.48 and 1,512.56 is: 2,268.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,408.24 : 8,112.48 = 1,512.56 : x
  2. Step 2: Convert to fraction form
    5,408.24/8,112.48 = 1,512.56/x
  3. Step 3: Cross multiply
    5,408.24x = 8,112.48 × 1,512.56
  4. Step 4: Simplify right side
    5,408.24x = 12,270,612.75
  5. Step 5: Solve for x
    x = 12,270,612.75/5,408.24
  6. Step 6: Final answer
    x = 2,268.87

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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.