Home / 6,361.19-8,778.44-3,877.19

Finding the Fourth Proportional to 6,361.19, 8,778.44 and 3,877.19

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Solution

The fourth proportional to 6,361.19, 8,778.44 and 3,877.19 is: 5,350.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,361.19 : 8,778.44 = 3,877.19 : x
  2. Step 2: Convert to fraction form
    6,361.19/8,778.44 = 3,877.19/x
  3. Step 3: Cross multiply
    6,361.19x = 8,778.44 × 3,877.19
  4. Step 4: Simplify right side
    6,361.19x = 34,035,667.53
  5. Step 5: Solve for x
    x = 34,035,667.53/6,361.19
  6. Step 6: Final answer
    x = 5,350.52

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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.