Home / 5,475.27-7,555.87-2,991.27

Finding the Fourth Proportional to 5,475.27, 7,555.87 and 2,991.27

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Solution

The fourth proportional to 5,475.27, 7,555.87 and 2,991.27 is: 4,127.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,475.27 : 7,555.87 = 2,991.27 : x
  2. Step 2: Convert to fraction form
    5,475.27/7,555.87 = 2,991.27/x
  3. Step 3: Cross multiply
    5,475.27x = 7,555.87 × 2,991.27
  4. Step 4: Simplify right side
    5,475.27x = 22,601,611.44
  5. Step 5: Solve for x
    x = 22,601,611.44/5,475.27
  6. Step 6: Final answer
    x = 4,127.95

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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.