Home / 5,249.21-7,874.00-1,739.30

Finding the Fourth Proportional to 5,249.21, 7,874.00 and 1,739.30

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Solution

The fourth proportional to 5,249.21, 7,874.00 and 1,739.30 is: 2,609.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,249.21 : 7,874.00 = 1,739.30 : x
  2. Step 2: Convert to fraction form
    5,249.21/7,874.00 = 1,739.30/x
  3. Step 3: Cross multiply
    5,249.21x = 7,874.00 × 1,739.30
  4. Step 4: Simplify right side
    5,249.21x = 13,695,200.13
  5. Step 5: Solve for x
    x = 13,695,200.13/5,249.21
  6. Step 6: Final answer
    x = 2,609.00

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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.