Home / 6,647.20-9,173.01-3,663.31

Finding the Fourth Proportional to 6,647.20, 9,173.01 and 3,663.31

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Solution

The fourth proportional to 6,647.20, 9,173.01 and 3,663.31 is: 5,055.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,647.20 : 9,173.01 = 3,663.31 : x
  2. Step 2: Convert to fraction form
    6,647.20/9,173.01 = 3,663.31/x
  3. Step 3: Cross multiply
    6,647.20x = 9,173.01 × 3,663.31
  4. Step 4: Simplify right side
    6,647.20x = 33,603,579.26
  5. Step 5: Solve for x
    x = 33,603,579.26/6,647.20
  6. Step 6: Final answer
    x = 5,055.30

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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.