Home / 8,190.88-12,288.06-2,644.54

Finding the Fourth Proportional to 8,190.88, 12,288.06 and 2,644.54

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Solution

The fourth proportional to 8,190.88, 12,288.06 and 2,644.54 is: 3,967.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,190.88 : 12,288.06 = 2,644.54 : x
  2. Step 2: Convert to fraction form
    8,190.88/12,288.06 = 2,644.54/x
  3. Step 3: Cross multiply
    8,190.88x = 12,288.06 × 2,644.54
  4. Step 4: Simplify right side
    8,190.88x = 32,496,266.19
  5. Step 5: Solve for x
    x = 32,496,266.19/8,190.88
  6. Step 6: Final answer
    x = 3,967.37

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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.