Home / 7,661.22-11,489.93-2,114.32

Finding the Fourth Proportional to 7,661.22, 11,489.93 and 2,114.32

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Solution

The fourth proportional to 7,661.22, 11,489.93 and 2,114.32 is: 3,170.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,661.22 : 11,489.93 = 2,114.32 : x
  2. Step 2: Convert to fraction form
    7,661.22/11,489.93 = 2,114.32/x
  3. Step 3: Cross multiply
    7,661.22x = 11,489.93 × 2,114.32
  4. Step 4: Simplify right side
    7,661.22x = 24,293,388.80
  5. Step 5: Solve for x
    x = 24,293,388.80/7,661.22
  6. Step 6: Final answer
    x = 3,170.96

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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.