Home / 5,043.87-6,956.89-3,889.80

Finding the Fourth Proportional to 5,043.87, 6,956.89 and 3,889.80

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Solution

The fourth proportional to 5,043.87, 6,956.89 and 3,889.80 is: 5,365.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,043.87 : 6,956.89 = 3,889.80 : x
  2. Step 2: Convert to fraction form
    5,043.87/6,956.89 = 3,889.80/x
  3. Step 3: Cross multiply
    5,043.87x = 6,956.89 × 3,889.80
  4. Step 4: Simplify right side
    5,043.87x = 27,060,910.72
  5. Step 5: Solve for x
    x = 27,060,910.72/5,043.87
  6. Step 6: Final answer
    x = 5,365.11

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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.