Home / 7,324.36-10,986.64-2,647.73

Finding the Fourth Proportional to 7,324.36, 10,986.64 and 2,647.73

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Solution

The fourth proportional to 7,324.36, 10,986.64 and 2,647.73 is: 3,971.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,324.36 : 10,986.64 = 2,647.73 : x
  2. Step 2: Convert to fraction form
    7,324.36/10,986.64 = 2,647.73/x
  3. Step 3: Cross multiply
    7,324.36x = 10,986.64 × 2,647.73
  4. Step 4: Simplify right side
    7,324.36x = 29,089,677.17
  5. Step 5: Solve for x
    x = 29,089,677.17/7,324.36
  6. Step 6: Final answer
    x = 3,971.64

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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.