Home / 5,297.28-7,310.30-2,939.37

Finding the Fourth Proportional to 5,297.28, 7,310.30 and 2,939.37

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Solution

The fourth proportional to 5,297.28, 7,310.30 and 2,939.37 is: 4,056.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,297.28 : 7,310.30 = 2,939.37 : x
  2. Step 2: Convert to fraction form
    5,297.28/7,310.30 = 2,939.37/x
  3. Step 3: Cross multiply
    5,297.28x = 7,310.30 × 2,939.37
  4. Step 4: Simplify right side
    5,297.28x = 21,487,661.81
  5. Step 5: Solve for x
    x = 21,487,661.81/5,297.28
  6. Step 6: Final answer
    x = 4,056.36

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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.