Home / 4,372.80-6,557.84-1,906.96

Finding the Fourth Proportional to 4,372.80, 6,557.84 and 1,906.96

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Solution

The fourth proportional to 4,372.80, 6,557.84 and 1,906.96 is: 2,859.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,372.80 : 6,557.84 = 1,906.96 : x
  2. Step 2: Convert to fraction form
    4,372.80/6,557.84 = 1,906.96/x
  3. Step 3: Cross multiply
    4,372.80x = 6,557.84 × 1,906.96
  4. Step 4: Simplify right side
    4,372.80x = 12,505,538.57
  5. Step 5: Solve for x
    x = 12,505,538.57/4,372.80
  6. Step 6: Final answer
    x = 2,859.85

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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.