Home / 4,278.48-6,408.96-2,958.96

Finding the Fourth Proportional to 4,278.48, 6,408.96 and 2,958.96

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Solution

The fourth proportional to 4,278.48, 6,408.96 and 2,958.96 is: 4,432.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,278.48 : 6,408.96 = 2,958.96 : x
  2. Step 2: Convert to fraction form
    4,278.48/6,408.96 = 2,958.96/x
  3. Step 3: Cross multiply
    4,278.48x = 6,408.96 × 2,958.96
  4. Step 4: Simplify right side
    4,278.48x = 18,963,856.28
  5. Step 5: Solve for x
    x = 18,963,856.28/4,278.48
  6. Step 6: Final answer
    x = 4,432.38

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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.