Home / 5,297.18-7,310.07-2,939.33

Finding the Fourth Proportional to 5,297.18, 7,310.07 and 2,939.33

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Solution

The fourth proportional to 5,297.18, 7,310.07 and 2,939.33 is: 4,056.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,297.18 : 7,310.07 = 2,939.33 : x
  2. Step 2: Convert to fraction form
    5,297.18/7,310.07 = 2,939.33/x
  3. Step 3: Cross multiply
    5,297.18x = 7,310.07 × 2,939.33
  4. Step 4: Simplify right side
    5,297.18x = 21,486,708.05
  5. Step 5: Solve for x
    x = 21,486,708.05/5,297.18
  6. Step 6: Final answer
    x = 4,056.25

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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.