Home / 5,272.08-7,912.96-2,676.88

Finding the Fourth Proportional to 5,272.08, 7,912.96 and 2,676.88

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Solution

The fourth proportional to 5,272.08, 7,912.96 and 2,676.88 is: 4,017.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,272.08 : 7,912.96 = 2,676.88 : x
  2. Step 2: Convert to fraction form
    5,272.08/7,912.96 = 2,676.88/x
  3. Step 3: Cross multiply
    5,272.08x = 7,912.96 × 2,676.88
  4. Step 4: Simplify right side
    5,272.08x = 21,182,044.36
  5. Step 5: Solve for x
    x = 21,182,044.36/5,272.08
  6. Step 6: Final answer
    x = 4,017.78

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1.5x scale

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.