Home / 8,600.06-12,902.31-2,756.72

Finding the Fourth Proportional to 8,600.06, 12,902.31 and 2,756.72

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Solution

The fourth proportional to 8,600.06, 12,902.31 and 2,756.72 is: 4,135.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,600.06 : 12,902.31 = 2,756.72 : x
  2. Step 2: Convert to fraction form
    8,600.06/12,902.31 = 2,756.72/x
  3. Step 3: Cross multiply
    8,600.06x = 12,902.31 × 2,756.72
  4. Step 4: Simplify right side
    8,600.06x = 35,567,991.51
  5. Step 5: Solve for x
    x = 35,567,991.51/8,600.06
  6. Step 6: Final answer
    x = 4,135.79

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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.