Home / 4,361.48-6,540.60-1,439

Finding the Fourth Proportional to 4,361.48, 6,540.60 and 1,439

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Solution

The fourth proportional to 4,361.48, 6,540.60 and 1,439 is: 2,157.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,361.48 : 6,540.60 = 1,439 : x
  2. Step 2: Convert to fraction form
    4,361.48/6,540.60 = 1,439/x
  3. Step 3: Cross multiply
    4,361.48x = 6,540.60 × 1,439
  4. Step 4: Simplify right side
    4,361.48x = 9,411,923.40
  5. Step 5: Solve for x
    x = 9,411,923.40/4,361.48
  6. Step 6: Final answer
    x = 2,157.97

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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.