Home / 5,166.60-7,749.69-2,203.82

Finding the Fourth Proportional to 5,166.60, 7,749.69 and 2,203.82

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Solution

The fourth proportional to 5,166.60, 7,749.69 and 2,203.82 is: 3,305.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,166.60 : 7,749.69 = 2,203.82 : x
  2. Step 2: Convert to fraction form
    5,166.60/7,749.69 = 2,203.82/x
  3. Step 3: Cross multiply
    5,166.60x = 7,749.69 × 2,203.82
  4. Step 4: Simplify right side
    5,166.60x = 17,078,921.82
  5. Step 5: Solve for x
    x = 17,078,921.82/5,166.60
  6. Step 6: Final answer
    x = 3,305.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.