Home / 4,267.36-6,406.98-2,188.81

Finding the Fourth Proportional to 4,267.36, 6,406.98 and 2,188.81

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Solution

The fourth proportional to 4,267.36, 6,406.98 and 2,188.81 is: 3,286.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,267.36 : 6,406.98 = 2,188.81 : x
  2. Step 2: Convert to fraction form
    4,267.36/6,406.98 = 2,188.81/x
  3. Step 3: Cross multiply
    4,267.36x = 6,406.98 × 2,188.81
  4. Step 4: Simplify right side
    4,267.36x = 14,023,661.89
  5. Step 5: Solve for x
    x = 14,023,661.89/4,267.36
  6. Step 6: Final answer
    x = 3,286.26

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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.