Home / 5,104.37-7,043.64-2,865.81

Finding the Fourth Proportional to 5,104.37, 7,043.64 and 2,865.81

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Solution

The fourth proportional to 5,104.37, 7,043.64 and 2,865.81 is: 3,954.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,104.37 : 7,043.64 = 2,865.81 : x
  2. Step 2: Convert to fraction form
    5,104.37/7,043.64 = 2,865.81/x
  3. Step 3: Cross multiply
    5,104.37x = 7,043.64 × 2,865.81
  4. Step 4: Simplify right side
    5,104.37x = 20,185,765.74
  5. Step 5: Solve for x
    x = 20,185,765.74/5,104.37
  6. Step 6: Final answer
    x = 3,954.60

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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.