Home / 6,236.75-8,603.78-3,717.42

Finding the Fourth Proportional to 6,236.75, 8,603.78 and 3,717.42

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Solution

The fourth proportional to 6,236.75, 8,603.78 and 3,717.42 is: 5,128.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,236.75 : 8,603.78 = 3,717.42 : x
  2. Step 2: Convert to fraction form
    6,236.75/8,603.78 = 3,717.42/x
  3. Step 3: Cross multiply
    6,236.75x = 8,603.78 × 3,717.42
  4. Step 4: Simplify right side
    6,236.75x = 31,983,845.26
  5. Step 5: Solve for x
    x = 31,983,845.26/6,236.75
  6. Step 6: Final answer
    x = 5,128.29

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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.