Home / 5,055.29-6,976.87-2,817.37

Finding the Fourth Proportional to 5,055.29, 6,976.87 and 2,817.37

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Solution

The fourth proportional to 5,055.29, 6,976.87 and 2,817.37 is: 3,888.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,055.29 : 6,976.87 = 2,817.37 : x
  2. Step 2: Convert to fraction form
    5,055.29/6,976.87 = 2,817.37/x
  3. Step 3: Cross multiply
    5,055.29x = 6,976.87 × 2,817.37
  4. Step 4: Simplify right side
    5,055.29x = 19,656,410.15
  5. Step 5: Solve for x
    x = 19,656,410.15/5,055.29
  6. Step 6: Final answer
    x = 3,888.29

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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.