Home / 7,827.21-11,733.42-2,629.44

Finding the Fourth Proportional to 7,827.21, 11,733.42 and 2,629.44

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Solution

The fourth proportional to 7,827.21, 11,733.42 and 2,629.44 is: 3,941.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,827.21 : 11,733.42 = 2,629.44 : x
  2. Step 2: Convert to fraction form
    7,827.21/11,733.42 = 2,629.44/x
  3. Step 3: Cross multiply
    7,827.21x = 11,733.42 × 2,629.44
  4. Step 4: Simplify right side
    7,827.21x = 30,852,323.88
  5. Step 5: Solve for x
    x = 30,852,323.88/7,827.21
  6. Step 6: Final answer
    x = 3,941.68

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1.5x scale

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.