Home / 4,827.54-6,662.03-2,811.45

Finding the Fourth Proportional to 4,827.54, 6,662.03 and 2,811.45

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Solution

The fourth proportional to 4,827.54, 6,662.03 and 2,811.45 is: 3,879.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,827.54 : 6,662.03 = 2,811.45 : x
  2. Step 2: Convert to fraction form
    4,827.54/6,662.03 = 2,811.45/x
  3. Step 3: Cross multiply
    4,827.54x = 6,662.03 × 2,811.45
  4. Step 4: Simplify right side
    4,827.54x = 18,729,964.24
  5. Step 5: Solve for x
    x = 18,729,964.24/4,827.54
  6. Step 6: Final answer
    x = 3,879.82

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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.