Home / 7,777.25-11,662.35-2,229.32

Finding the Fourth Proportional to 7,777.25, 11,662.35 and 2,229.32

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Solution

The fourth proportional to 7,777.25, 11,662.35 and 2,229.32 is: 3,342.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,777.25 : 11,662.35 = 2,229.32 : x
  2. Step 2: Convert to fraction form
    7,777.25/11,662.35 = 2,229.32/x
  3. Step 3: Cross multiply
    7,777.25x = 11,662.35 × 2,229.32
  4. Step 4: Simplify right side
    7,777.25x = 25,999,051.79
  5. Step 5: Solve for x
    x = 25,999,051.79/7,777.25
  6. Step 6: Final answer
    x = 3,342.96

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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.