Home / 4,467.88-6,699.12-2,128.60

Finding the Fourth Proportional to 4,467.88, 6,699.12 and 2,128.60

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Solution

The fourth proportional to 4,467.88, 6,699.12 and 2,128.60 is: 3,191.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,467.88 : 6,699.12 = 2,128.60 : x
  2. Step 2: Convert to fraction form
    4,467.88/6,699.12 = 2,128.60/x
  3. Step 3: Cross multiply
    4,467.88x = 6,699.12 × 2,128.60
  4. Step 4: Simplify right side
    4,467.88x = 14,259,746.83
  5. Step 5: Solve for x
    x = 14,259,746.83/4,467.88
  6. Step 6: Final answer
    x = 3,191.61

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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.