Home / 8,783.22-13,173.86-2,209.41

Finding the Fourth Proportional to 8,783.22, 13,173.86 and 2,209.41

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Solution

The fourth proportional to 8,783.22, 13,173.86 and 2,209.41 is: 3,313.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,783.22 : 13,173.86 = 2,209.41 : x
  2. Step 2: Convert to fraction form
    8,783.22/13,173.86 = 2,209.41/x
  3. Step 3: Cross multiply
    8,783.22x = 13,173.86 × 2,209.41
  4. Step 4: Simplify right side
    8,783.22x = 29,106,386.63
  5. Step 5: Solve for x
    x = 29,106,386.63/8,783.22
  6. Step 6: Final answer
    x = 3,313.86

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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.