Home / 5,164.44-7,126.80-2,806.56

Finding the Fourth Proportional to 5,164.44, 7,126.80 and 2,806.56

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Solution

The fourth proportional to 5,164.44, 7,126.80 and 2,806.56 is: 3,872.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,164.44 : 7,126.80 = 2,806.56 : x
  2. Step 2: Convert to fraction form
    5,164.44/7,126.80 = 2,806.56/x
  3. Step 3: Cross multiply
    5,164.44x = 7,126.80 × 2,806.56
  4. Step 4: Simplify right side
    5,164.44x = 20,001,791.81
  5. Step 5: Solve for x
    x = 20,001,791.81/5,164.44
  6. Step 6: Final answer
    x = 3,872.98

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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.