Home / 5,166.64-7,749.88-1,271.04

Finding the Fourth Proportional to 5,166.64, 7,749.88 and 1,271.04

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Solution

The fourth proportional to 5,166.64, 7,749.88 and 1,271.04 is: 1,906.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,166.64 : 7,749.88 = 1,271.04 : x
  2. Step 2: Convert to fraction form
    5,166.64/7,749.88 = 1,271.04/x
  3. Step 3: Cross multiply
    5,166.64x = 7,749.88 × 1,271.04
  4. Step 4: Simplify right side
    5,166.64x = 9,850,418.83
  5. Step 5: Solve for x
    x = 9,850,418.83/5,166.64
  6. Step 6: Final answer
    x = 1,906.54

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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.