Home / 6,889.86-10,334.61-2,209.68

Finding the Fourth Proportional to 6,889.86, 10,334.61 and 2,209.68

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Solution

The fourth proportional to 6,889.86, 10,334.61 and 2,209.68 is: 3,314.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,889.86 : 10,334.61 = 2,209.68 : x
  2. Step 2: Convert to fraction form
    6,889.86/10,334.61 = 2,209.68/x
  3. Step 3: Cross multiply
    6,889.86x = 10,334.61 × 2,209.68
  4. Step 4: Simplify right side
    6,889.86x = 22,836,181.02
  5. Step 5: Solve for x
    x = 22,836,181.02/6,889.86
  6. Step 6: Final answer
    x = 3,314.46

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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.