Home / 5,297.18-7,309.77-2,939.32

Finding the Fourth Proportional to 5,297.18, 7,309.77 and 2,939.32

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Solution

The fourth proportional to 5,297.18, 7,309.77 and 2,939.32 is: 4,056.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,297.18 : 7,309.77 = 2,939.32 : x
  2. Step 2: Convert to fraction form
    5,297.18/7,309.77 = 2,939.32/x
  3. Step 3: Cross multiply
    5,297.18x = 7,309.77 × 2,939.32
  4. Step 4: Simplify right side
    5,297.18x = 21,485,716.61
  5. Step 5: Solve for x
    x = 21,485,716.61/5,297.18
  6. Step 6: Final answer
    x = 4,056.07

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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.