Home / 8,722.89-13,086.36-3,176.01

Finding the Fourth Proportional to 8,722.89, 13,086.36 and 3,176.01

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Solution

The fourth proportional to 8,722.89, 13,086.36 and 3,176.01 is: 4,764.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,722.89 : 13,086.36 = 3,176.01 : x
  2. Step 2: Convert to fraction form
    8,722.89/13,086.36 = 3,176.01/x
  3. Step 3: Cross multiply
    8,722.89x = 13,086.36 × 3,176.01
  4. Step 4: Simplify right side
    8,722.89x = 41,562,410.22
  5. Step 5: Solve for x
    x = 41,562,410.22/8,722.89
  6. Step 6: Final answer
    x = 4,764.75

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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.