Home / 5,454.63-8,176.34-3,109.84

Finding the Fourth Proportional to 5,454.63, 8,176.34 and 3,109.84

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Solution

The fourth proportional to 5,454.63, 8,176.34 and 3,109.84 is: 4,661.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,454.63 : 8,176.34 = 3,109.84 : x
  2. Step 2: Convert to fraction form
    5,454.63/8,176.34 = 3,109.84/x
  3. Step 3: Cross multiply
    5,454.63x = 8,176.34 × 3,109.84
  4. Step 4: Simplify right side
    5,454.63x = 25,427,096.52
  5. Step 5: Solve for x
    x = 25,427,096.52/5,454.63
  6. Step 6: Final answer
    x = 4,661.56

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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.