Home / 5,164.41-7,126.93-2,806.57

Finding the Fourth Proportional to 5,164.41, 7,126.93 and 2,806.57

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Solution

The fourth proportional to 5,164.41, 7,126.93 and 2,806.57 is: 3,873.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,164.41 : 7,126.93 = 2,806.57 : x
  2. Step 2: Convert to fraction form
    5,164.41/7,126.93 = 2,806.57/x
  3. Step 3: Cross multiply
    5,164.41x = 7,126.93 × 2,806.57
  4. Step 4: Simplify right side
    5,164.41x = 20,002,227.93
  5. Step 5: Solve for x
    x = 20,002,227.93/5,164.41
  6. Step 6: Final answer
    x = 3,873.09

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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.