Home / 8,081.14-11,139.93-4,935.22

Finding the Fourth Proportional to 8,081.14, 11,139.93 and 4,935.22

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Solution

The fourth proportional to 8,081.14, 11,139.93 and 4,935.22 is: 6,803.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,081.14 : 11,139.93 = 4,935.22 : x
  2. Step 2: Convert to fraction form
    8,081.14/11,139.93 = 4,935.22/x
  3. Step 3: Cross multiply
    8,081.14x = 11,139.93 × 4,935.22
  4. Step 4: Simplify right side
    8,081.14x = 54,978,005.33
  5. Step 5: Solve for x
    x = 54,978,005.33/8,081.14
  6. Step 6: Final answer
    x = 6,803.25

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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.