Home / 5,164.22-7,126.54-2,806.38

Finding the Fourth Proportional to 5,164.22, 7,126.54 and 2,806.38

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Solution

The fourth proportional to 5,164.22, 7,126.54 and 2,806.38 is: 3,872.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,164.22 : 7,126.54 = 2,806.38 : x
  2. Step 2: Convert to fraction form
    5,164.22/7,126.54 = 2,806.38/x
  3. Step 3: Cross multiply
    5,164.22x = 7,126.54 × 2,806.38
  4. Step 4: Simplify right side
    5,164.22x = 19,999,772.31
  5. Step 5: Solve for x
    x = 19,999,772.31/5,164.22
  6. Step 6: Final answer
    x = 3,872.76

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Half scale
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Double scale
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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.