Home / 4,989.83-6,878.58-3,197.09

Finding the Fourth Proportional to 4,989.83, 6,878.58 and 3,197.09

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Solution

The fourth proportional to 4,989.83, 6,878.58 and 3,197.09 is: 4,407.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,989.83 : 6,878.58 = 3,197.09 : x
  2. Step 2: Convert to fraction form
    4,989.83/6,878.58 = 3,197.09/x
  3. Step 3: Cross multiply
    4,989.83x = 6,878.58 × 3,197.09
  4. Step 4: Simplify right side
    4,989.83x = 21,991,404.94
  5. Step 5: Solve for x
    x = 21,991,404.94/4,989.83
  6. Step 6: Final answer
    x = 4,407.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.