Home / 4,877.22-6,731.34-3,109.41

Finding the Fourth Proportional to 4,877.22, 6,731.34 and 3,109.41

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Solution

The fourth proportional to 4,877.22, 6,731.34 and 3,109.41 is: 4,291.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,877.22 : 6,731.34 = 3,109.41 : x
  2. Step 2: Convert to fraction form
    4,877.22/6,731.34 = 3,109.41/x
  3. Step 3: Cross multiply
    4,877.22x = 6,731.34 × 3,109.41
  4. Step 4: Simplify right side
    4,877.22x = 20,930,495.91
  5. Step 5: Solve for x
    x = 20,930,495.91/4,877.22
  6. Step 6: Final answer
    x = 4,291.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.