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Finding the Fourth Proportional to 7,022.40, 9,693.07 and 4,040.22

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Solution

The fourth proportional to 7,022.40, 9,693.07 and 4,040.22 is: 5,576.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,022.40 : 9,693.07 = 4,040.22 : x
  2. Step 2: Convert to fraction form
    7,022.40/9,693.07 = 4,040.22/x
  3. Step 3: Cross multiply
    7,022.40x = 9,693.07 × 4,040.22
  4. Step 4: Simplify right side
    7,022.40x = 39,162,093.37
  5. Step 5: Solve for x
    x = 39,162,093.37/7,022.40
  6. Step 6: Final answer
    x = 5,576.74

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.