Home / 6,622.22-9,928.51-3,110.42

Finding the Fourth Proportional to 6,622.22, 9,928.51 and 3,110.42

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Solution

The fourth proportional to 6,622.22, 9,928.51 and 3,110.42 is: 4,663.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,622.22 : 9,928.51 = 3,110.42 : x
  2. Step 2: Convert to fraction form
    6,622.22/9,928.51 = 3,110.42/x
  3. Step 3: Cross multiply
    6,622.22x = 9,928.51 × 3,110.42
  4. Step 4: Simplify right side
    6,622.22x = 30,881,770.88
  5. Step 5: Solve for x
    x = 30,881,770.88/6,622.22
  6. Step 6: Final answer
    x = 4,663.36

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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.