Home / 7,669.44-11,512.32-6,450.24

Finding the Fourth Proportional to 7,669.44, 11,512.32 and 6,450.24

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Solution

The fourth proportional to 7,669.44, 11,512.32 and 6,450.24 is: 9,682.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,669.44 : 11,512.32 = 6,450.24 : x
  2. Step 2: Convert to fraction form
    7,669.44/11,512.32 = 6,450.24/x
  3. Step 3: Cross multiply
    7,669.44x = 11,512.32 × 6,450.24
  4. Step 4: Simplify right side
    7,669.44x = 74,257,226.96
  5. Step 5: Solve for x
    x = 74,257,226.96/7,669.44
  6. Step 6: Final answer
    x = 9,682.22

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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.