Home / 4,123.82-6,185.64-1,003.85

Finding the Fourth Proportional to 4,123.82, 6,185.64 and 1,003.85

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Solution

The fourth proportional to 4,123.82, 6,185.64 and 1,003.85 is: 1,505.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,123.82 : 6,185.64 = 1,003.85 : x
  2. Step 2: Convert to fraction form
    4,123.82/6,185.64 = 1,003.85/x
  3. Step 3: Cross multiply
    4,123.82x = 6,185.64 × 1,003.85
  4. Step 4: Simplify right side
    4,123.82x = 6,209,427.55
  5. Step 5: Solve for x
    x = 6,209,427.55/4,123.82
  6. Step 6: Final answer
    x = 1,505.75

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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.