Home / 5,398.06-8,080.32-2,926.75

Finding the Fourth Proportional to 5,398.06, 8,080.32 and 2,926.75

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Solution

The fourth proportional to 5,398.06, 8,080.32 and 2,926.75 is: 4,381.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,398.06 : 8,080.32 = 2,926.75 : x
  2. Step 2: Convert to fraction form
    5,398.06/8,080.32 = 2,926.75/x
  3. Step 3: Cross multiply
    5,398.06x = 8,080.32 × 2,926.75
  4. Step 4: Simplify right side
    5,398.06x = 23,649,076.56
  5. Step 5: Solve for x
    x = 23,649,076.56/5,398.06
  6. Step 6: Final answer
    x = 4,381.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.