Home / 4,980.42-6,873.30-2,884.50

Finding the Fourth Proportional to 4,980.42, 6,873.30 and 2,884.50

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Solution

The fourth proportional to 4,980.42, 6,873.30 and 2,884.50 is: 3,980.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,980.42 : 6,873.30 = 2,884.50 : x
  2. Step 2: Convert to fraction form
    4,980.42/6,873.30 = 2,884.50/x
  3. Step 3: Cross multiply
    4,980.42x = 6,873.30 × 2,884.50
  4. Step 4: Simplify right side
    4,980.42x = 19,826,033.85
  5. Step 5: Solve for x
    x = 19,826,033.85/4,980.42
  6. Step 6: Final answer
    x = 3,980.80

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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.