Home / 3,900.37-5,836.65-3,125.35

Finding the Fourth Proportional to 3,900.37, 5,836.65 and 3,125.35

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Solution

The fourth proportional to 3,900.37, 5,836.65 and 3,125.35 is: 4,676.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,900.37 : 5,836.65 = 3,125.35 : x
  2. Step 2: Convert to fraction form
    3,900.37/5,836.65 = 3,125.35/x
  3. Step 3: Cross multiply
    3,900.37x = 5,836.65 × 3,125.35
  4. Step 4: Simplify right side
    3,900.37x = 18,241,574.08
  5. Step 5: Solve for x
    x = 18,241,574.08/3,900.37
  6. Step 6: Final answer
    x = 4,676.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.