Home / 8,271.24-12,407.67-2,722.32

Finding the Fourth Proportional to 8,271.24, 12,407.67 and 2,722.32

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Solution

The fourth proportional to 8,271.24, 12,407.67 and 2,722.32 is: 4,083.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,271.24 : 12,407.67 = 2,722.32 : x
  2. Step 2: Convert to fraction form
    8,271.24/12,407.67 = 2,722.32/x
  3. Step 3: Cross multiply
    8,271.24x = 12,407.67 × 2,722.32
  4. Step 4: Simplify right side
    8,271.24x = 33,777,648.19
  5. Step 5: Solve for x
    x = 33,777,648.19/8,271.24
  6. Step 6: Final answer
    x = 4,083.75

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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.