Home / 4,986.83-6,880.40-3,219.44

Finding the Fourth Proportional to 4,986.83, 6,880.40 and 3,219.44

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Solution

The fourth proportional to 4,986.83, 6,880.40 and 3,219.44 is: 4,441.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,986.83 : 6,880.40 = 3,219.44 : x
  2. Step 2: Convert to fraction form
    4,986.83/6,880.40 = 3,219.44/x
  3. Step 3: Cross multiply
    4,986.83x = 6,880.40 × 3,219.44
  4. Step 4: Simplify right side
    4,986.83x = 22,151,018.88
  5. Step 5: Solve for x
    x = 22,151,018.88/4,986.83
  6. Step 6: Final answer
    x = 4,441.90

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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.