Home / 5,125.96-7,676.34-3,271.60

Finding the Fourth Proportional to 5,125.96, 7,676.34 and 3,271.60

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Solution

The fourth proportional to 5,125.96, 7,676.34 and 3,271.60 is: 4,899.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,125.96 : 7,676.34 = 3,271.60 : x
  2. Step 2: Convert to fraction form
    5,125.96/7,676.34 = 3,271.60/x
  3. Step 3: Cross multiply
    5,125.96x = 7,676.34 × 3,271.60
  4. Step 4: Simplify right side
    5,125.96x = 25,113,913.94
  5. Step 5: Solve for x
    x = 25,113,913.94/5,125.96
  6. Step 6: Final answer
    x = 4,899.36

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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.