Home / 4,072.79-6,108.86-1,881.54

Finding the Fourth Proportional to 4,072.79, 6,108.86 and 1,881.54

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Solution

The fourth proportional to 4,072.79, 6,108.86 and 1,881.54 is: 2,822.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,072.79 : 6,108.86 = 1,881.54 : x
  2. Step 2: Convert to fraction form
    4,072.79/6,108.86 = 1,881.54/x
  3. Step 3: Cross multiply
    4,072.79x = 6,108.86 × 1,881.54
  4. Step 4: Simplify right side
    4,072.79x = 11,494,069.15
  5. Step 5: Solve for x
    x = 11,494,069.15/4,072.79
  6. Step 6: Final answer
    x = 2,822.16

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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.