Home / 5,408.19-8,112.33-1,512.63

Finding the Fourth Proportional to 5,408.19, 8,112.33 and 1,512.63

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Solution

The fourth proportional to 5,408.19, 8,112.33 and 1,512.63 is: 2,268.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,408.19 : 8,112.33 = 1,512.63 : x
  2. Step 2: Convert to fraction form
    5,408.19/8,112.33 = 1,512.63/x
  3. Step 3: Cross multiply
    5,408.19x = 8,112.33 × 1,512.63
  4. Step 4: Simplify right side
    5,408.19x = 12,270,953.73
  5. Step 5: Solve for x
    x = 12,270,953.73/5,408.19
  6. Step 6: Final answer
    x = 2,268.96

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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.