Home / 4,272.48-6,408.70-1,350.78

Finding the Fourth Proportional to 4,272.48, 6,408.70 and 1,350.78

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Solution

The fourth proportional to 4,272.48, 6,408.70 and 1,350.78 is: 2,026.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,272.48 : 6,408.70 = 1,350.78 : x
  2. Step 2: Convert to fraction form
    4,272.48/6,408.70 = 1,350.78/x
  3. Step 3: Cross multiply
    4,272.48x = 6,408.70 × 1,350.78
  4. Step 4: Simplify right side
    4,272.48x = 8,656,743.79
  5. Step 5: Solve for x
    x = 8,656,743.79/4,272.48
  6. Step 6: Final answer
    x = 2,026.16

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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.