Home / 5,372.92-7,415.10-3,278.20

Finding the Fourth Proportional to 5,372.92, 7,415.10 and 3,278.20

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Solution

The fourth proportional to 5,372.92, 7,415.10 and 3,278.20 is: 4,524.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,372.92 : 7,415.10 = 3,278.20 : x
  2. Step 2: Convert to fraction form
    5,372.92/7,415.10 = 3,278.20/x
  3. Step 3: Cross multiply
    5,372.92x = 7,415.10 × 3,278.20
  4. Step 4: Simplify right side
    5,372.92x = 24,308,180.82
  5. Step 5: Solve for x
    x = 24,308,180.82/5,372.92
  6. Step 6: Final answer
    x = 4,524.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.