Home / 7,770.22-11,647.74-3,088.66

Finding the Fourth Proportional to 7,770.22, 11,647.74 and 3,088.66

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Solution

The fourth proportional to 7,770.22, 11,647.74 and 3,088.66 is: 4,629.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,770.22 : 11,647.74 = 3,088.66 : x
  2. Step 2: Convert to fraction form
    7,770.22/11,647.74 = 3,088.66/x
  3. Step 3: Cross multiply
    7,770.22x = 11,647.74 × 3,088.66
  4. Step 4: Simplify right side
    7,770.22x = 35,975,908.63
  5. Step 5: Solve for x
    x = 35,975,908.63/7,770.22
  6. Step 6: Final answer
    x = 4,629.97

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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.