Home / 5,052.78-7,577.34-2,131.31

Finding the Fourth Proportional to 5,052.78, 7,577.34 and 2,131.31

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Solution

The fourth proportional to 5,052.78, 7,577.34 and 2,131.31 is: 3,196.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,052.78 : 7,577.34 = 2,131.31 : x
  2. Step 2: Convert to fraction form
    5,052.78/7,577.34 = 2,131.31/x
  3. Step 3: Cross multiply
    5,052.78x = 7,577.34 × 2,131.31
  4. Step 4: Simplify right side
    5,052.78x = 16,149,622.63
  5. Step 5: Solve for x
    x = 16,149,622.63/5,052.78
  6. Step 6: Final answer
    x = 3,196.19

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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.