Home / 8,949.06-13,415.31-3,400.74

Finding the Fourth Proportional to 8,949.06, 13,415.31 and 3,400.74

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Solution

The fourth proportional to 8,949.06, 13,415.31 and 3,400.74 is: 5,097.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,949.06 : 13,415.31 = 3,400.74 : x
  2. Step 2: Convert to fraction form
    8,949.06/13,415.31 = 3,400.74/x
  3. Step 3: Cross multiply
    8,949.06x = 13,415.31 × 3,400.74
  4. Step 4: Simplify right side
    8,949.06x = 45,621,981.33
  5. Step 5: Solve for x
    x = 45,621,981.33/8,949.06
  6. Step 6: Final answer
    x = 5,097.96

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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.