Home / 5,081.32-7,009.22-3,090.28

Finding the Fourth Proportional to 5,081.32, 7,009.22 and 3,090.28

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Solution

The fourth proportional to 5,081.32, 7,009.22 and 3,090.28 is: 4,262.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,081.32 : 7,009.22 = 3,090.28 : x
  2. Step 2: Convert to fraction form
    5,081.32/7,009.22 = 3,090.28/x
  3. Step 3: Cross multiply
    5,081.32x = 7,009.22 × 3,090.28
  4. Step 4: Simplify right side
    5,081.32x = 21,660,452.38
  5. Step 5: Solve for x
    x = 21,660,452.38/5,081.32
  6. Step 6: Final answer
    x = 4,262.76

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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.