Home / 8,116.36-11,201.56-5,135.22

Finding the Fourth Proportional to 8,116.36, 11,201.56 and 5,135.22

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Solution

The fourth proportional to 8,116.36, 11,201.56 and 5,135.22 is: 7,087.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,116.36 : 11,201.56 = 5,135.22 : x
  2. Step 2: Convert to fraction form
    8,116.36/11,201.56 = 5,135.22/x
  3. Step 3: Cross multiply
    8,116.36x = 11,201.56 × 5,135.22
  4. Step 4: Simplify right side
    8,116.36x = 57,522,462.11
  5. Step 5: Solve for x
    x = 57,522,462.11/8,116.36
  6. Step 6: Final answer
    x = 7,087.23

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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.