Home / 8,361.12-11,538.24-4,635.12

Finding the Fourth Proportional to 8,361.12, 11,538.24 and 4,635.12

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Solution

The fourth proportional to 8,361.12, 11,538.24 and 4,635.12 is: 6,396.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,361.12 : 11,538.24 = 4,635.12 : x
  2. Step 2: Convert to fraction form
    8,361.12/11,538.24 = 4,635.12/x
  3. Step 3: Cross multiply
    8,361.12x = 11,538.24 × 4,635.12
  4. Step 4: Simplify right side
    8,361.12x = 53,481,126.99
  5. Step 5: Solve for x
    x = 53,481,126.99/8,361.12
  6. Step 6: Final answer
    x = 6,396.41

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1.5x scale

Why These Related Problems?

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