Home / 4,222.25-6,330.45-1,881.01

Finding the Fourth Proportional to 4,222.25, 6,330.45 and 1,881.01

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Solution

The fourth proportional to 4,222.25, 6,330.45 and 1,881.01 is: 2,820.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,222.25 : 6,330.45 = 1,881.01 : x
  2. Step 2: Convert to fraction form
    4,222.25/6,330.45 = 1,881.01/x
  3. Step 3: Cross multiply
    4,222.25x = 6,330.45 × 1,881.01
  4. Step 4: Simplify right side
    4,222.25x = 11,907,650.88
  5. Step 5: Solve for x
    x = 11,907,650.88/4,222.25
  6. Step 6: Final answer
    x = 2,820.21

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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.