Home / 5,164.08-7,126.38-2,806.08

Finding the Fourth Proportional to 5,164.08, 7,126.38 and 2,806.08

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Solution

The fourth proportional to 5,164.08, 7,126.38 and 2,806.08 is: 3,872.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,164.08 : 7,126.38 = 2,806.08 : x
  2. Step 2: Convert to fraction form
    5,164.08/7,126.38 = 2,806.08/x
  3. Step 3: Cross multiply
    5,164.08x = 7,126.38 × 2,806.08
  4. Step 4: Simplify right side
    5,164.08x = 19,997,192.39
  5. Step 5: Solve for x
    x = 19,997,192.39/5,164.08
  6. Step 6: Final answer
    x = 3,872.36

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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.