Home / 7,989.50-11,986.01-2,443.26

Finding the Fourth Proportional to 7,989.50, 11,986.01 and 2,443.26

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Solution

The fourth proportional to 7,989.50, 11,986.01 and 2,443.26 is: 3,665.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,989.50 : 11,986.01 = 2,443.26 : x
  2. Step 2: Convert to fraction form
    7,989.50/11,986.01 = 2,443.26/x
  3. Step 3: Cross multiply
    7,989.50x = 11,986.01 × 2,443.26
  4. Step 4: Simplify right side
    7,989.50x = 29,284,980.69
  5. Step 5: Solve for x
    x = 29,284,980.69/7,989.50
  6. Step 6: Final answer
    x = 3,665.43

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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.