Home / 7,739.44-11,605.35-2,808.34

Finding the Fourth Proportional to 7,739.44, 11,605.35 and 2,808.34

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Solution

The fourth proportional to 7,739.44, 11,605.35 and 2,808.34 is: 4,211.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,739.44 : 11,605.35 = 2,808.34 : x
  2. Step 2: Convert to fraction form
    7,739.44/11,605.35 = 2,808.34/x
  3. Step 3: Cross multiply
    7,739.44x = 11,605.35 × 2,808.34
  4. Step 4: Simplify right side
    7,739.44x = 32,591,768.62
  5. Step 5: Solve for x
    x = 32,591,768.62/7,739.44
  6. Step 6: Final answer
    x = 4,211.13

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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.