Home / 6,664.37-9,989.27-4,200.35

Finding the Fourth Proportional to 6,664.37, 9,989.27 and 4,200.35

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Solution

The fourth proportional to 6,664.37, 9,989.27 and 4,200.35 is: 6,295.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,664.37 : 9,989.27 = 4,200.35 : x
  2. Step 2: Convert to fraction form
    6,664.37/9,989.27 = 4,200.35/x
  3. Step 3: Cross multiply
    6,664.37x = 9,989.27 × 4,200.35
  4. Step 4: Simplify right side
    6,664.37x = 41,958,409.24
  5. Step 5: Solve for x
    x = 41,958,409.24/6,664.37
  6. Step 6: Final answer
    x = 6,295.93

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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.