Home / 6,271.80-9,408.66-2,111.48

Finding the Fourth Proportional to 6,271.80, 9,408.66 and 2,111.48

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Solution

The fourth proportional to 6,271.80, 9,408.66 and 2,111.48 is: 3,167.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,271.80 : 9,408.66 = 2,111.48 : x
  2. Step 2: Convert to fraction form
    6,271.80/9,408.66 = 2,111.48/x
  3. Step 3: Cross multiply
    6,271.80x = 9,408.66 × 2,111.48
  4. Step 4: Simplify right side
    6,271.80x = 19,866,180.03
  5. Step 5: Solve for x
    x = 19,866,180.03/6,271.80
  6. Step 6: Final answer
    x = 3,167.54

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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.