Home / 4,361.11-6,540.73-1,438.72

Finding the Fourth Proportional to 4,361.11, 6,540.73 and 1,438.72

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Solution

The fourth proportional to 4,361.11, 6,540.73 and 1,438.72 is: 2,157.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,361.11 : 6,540.73 = 1,438.72 : x
  2. Step 2: Convert to fraction form
    4,361.11/6,540.73 = 1,438.72/x
  3. Step 3: Cross multiply
    4,361.11x = 6,540.73 × 1,438.72
  4. Step 4: Simplify right side
    4,361.11x = 9,410,279.07
  5. Step 5: Solve for x
    x = 9,410,279.07/4,361.11
  6. Step 6: Final answer
    x = 2,157.77

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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.