Home / 4,123.35-6,185.03-3,090.60

Finding the Fourth Proportional to 4,123.35, 6,185.03 and 3,090.60

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Solution

The fourth proportional to 4,123.35, 6,185.03 and 3,090.60 is: 4,635.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,123.35 : 6,185.03 = 3,090.60 : x
  2. Step 2: Convert to fraction form
    4,123.35/6,185.03 = 3,090.60/x
  3. Step 3: Cross multiply
    4,123.35x = 6,185.03 × 3,090.60
  4. Step 4: Simplify right side
    4,123.35x = 19,115,438.27
  5. Step 5: Solve for x
    x = 19,115,438.27/4,123.35
  6. Step 6: Final answer
    x = 4,635.90

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1.5x scale

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.