Home / 4,989.08-6,884.82-2,750.90

Finding the Fourth Proportional to 4,989.08, 6,884.82 and 2,750.90

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Solution

The fourth proportional to 4,989.08, 6,884.82 and 2,750.90 is: 3,796.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,989.08 : 6,884.82 = 2,750.90 : x
  2. Step 2: Convert to fraction form
    4,989.08/6,884.82 = 2,750.90/x
  3. Step 3: Cross multiply
    4,989.08x = 6,884.82 × 2,750.90
  4. Step 4: Simplify right side
    4,989.08x = 18,939,416.91
  5. Step 5: Solve for x
    x = 18,939,416.91/4,989.08
  6. Step 6: Final answer
    x = 3,796.17

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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.