Home / 5,164.14-7,126.26-2,806.20

Finding the Fourth Proportional to 5,164.14, 7,126.26 and 2,806.20

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Solution

The fourth proportional to 5,164.14, 7,126.26 and 2,806.20 is: 3,872.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,164.14 : 7,126.26 = 2,806.20 : x
  2. Step 2: Convert to fraction form
    5,164.14/7,126.26 = 2,806.20/x
  3. Step 3: Cross multiply
    5,164.14x = 7,126.26 × 2,806.20
  4. Step 4: Simplify right side
    5,164.14x = 19,997,710.81
  5. Step 5: Solve for x
    x = 19,997,710.81/5,164.14
  6. Step 6: Final answer
    x = 3,872.42

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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.