Home / 4,989.40-6,885.42-2,751.37

Finding the Fourth Proportional to 4,989.40, 6,885.42 and 2,751.37

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Solution

The fourth proportional to 4,989.40, 6,885.42 and 2,751.37 is: 3,796.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,989.40 : 6,885.42 = 2,751.37 : x
  2. Step 2: Convert to fraction form
    4,989.40/6,885.42 = 2,751.37/x
  3. Step 3: Cross multiply
    4,989.40x = 6,885.42 × 2,751.37
  4. Step 4: Simplify right side
    4,989.40x = 18,944,303.60
  5. Step 5: Solve for x
    x = 18,944,303.60/4,989.40
  6. Step 6: Final answer
    x = 3,796.91

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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.