Home / 5,043.96-6,961.12-2,805.80

Finding the Fourth Proportional to 5,043.96, 6,961.12 and 2,805.80

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Solution

The fourth proportional to 5,043.96, 6,961.12 and 2,805.80 is: 3,872.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,043.96 : 6,961.12 = 2,805.80 : x
  2. Step 2: Convert to fraction form
    5,043.96/6,961.12 = 2,805.80/x
  3. Step 3: Cross multiply
    5,043.96x = 6,961.12 × 2,805.80
  4. Step 4: Simplify right side
    5,043.96x = 19,531,468.68
  5. Step 5: Solve for x
    x = 19,531,468.68/5,043.96
  6. Step 6: Final answer
    x = 3,872.25

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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.