Home / 6,866.21-9,475.32-3,722.39

Finding the Fourth Proportional to 6,866.21, 9,475.32 and 3,722.39

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Solution

The fourth proportional to 6,866.21, 9,475.32 and 3,722.39 is: 5,136.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,866.21 : 9,475.32 = 3,722.39 : x
  2. Step 2: Convert to fraction form
    6,866.21/9,475.32 = 3,722.39/x
  3. Step 3: Cross multiply
    6,866.21x = 9,475.32 × 3,722.39
  4. Step 4: Simplify right side
    6,866.21x = 35,270,836.41
  5. Step 5: Solve for x
    x = 35,270,836.41/6,866.21
  6. Step 6: Final answer
    x = 5,136.87

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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.