Home / 6,620.37-9,136.36-3,967.27

Finding the Fourth Proportional to 6,620.37, 9,136.36 and 3,967.27

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Solution

The fourth proportional to 6,620.37, 9,136.36 and 3,967.27 is: 5,474.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,620.37 : 9,136.36 = 3,967.27 : x
  2. Step 2: Convert to fraction form
    6,620.37/9,136.36 = 3,967.27/x
  3. Step 3: Cross multiply
    6,620.37x = 9,136.36 × 3,967.27
  4. Step 4: Simplify right side
    6,620.37x = 36,246,406.94
  5. Step 5: Solve for x
    x = 36,246,406.94/6,620.37
  6. Step 6: Final answer
    x = 5,474.98

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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.