Home / 4,362.21-6,546.65-2,172.78

Finding the Fourth Proportional to 4,362.21, 6,546.65 and 2,172.78

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Solution

The fourth proportional to 4,362.21, 6,546.65 and 2,172.78 is: 3,260.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,362.21 : 6,546.65 = 2,172.78 : x
  2. Step 2: Convert to fraction form
    4,362.21/6,546.65 = 2,172.78/x
  3. Step 3: Cross multiply
    4,362.21x = 6,546.65 × 2,172.78
  4. Step 4: Simplify right side
    4,362.21x = 14,224,419.32
  5. Step 5: Solve for x
    x = 14,224,419.32/4,362.21
  6. Step 6: Final answer
    x = 3,260.83

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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.