Home / 7,708.06-11,561.96-2,161.32

Finding the Fourth Proportional to 7,708.06, 11,561.96 and 2,161.32

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Solution

The fourth proportional to 7,708.06, 11,561.96 and 2,161.32 is: 3,241.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,708.06 : 11,561.96 = 2,161.32 : x
  2. Step 2: Convert to fraction form
    7,708.06/11,561.96 = 2,161.32/x
  3. Step 3: Cross multiply
    7,708.06x = 11,561.96 × 2,161.32
  4. Step 4: Simplify right side
    7,708.06x = 24,989,084.58
  5. Step 5: Solve for x
    x = 24,989,084.58/7,708.06
  6. Step 6: Final answer
    x = 3,241.94

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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.