Home / 4,123.74-6,213.90-3,409.32

Finding the Fourth Proportional to 4,123.74, 6,213.90 and 3,409.32

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Solution

The fourth proportional to 4,123.74, 6,213.90 and 3,409.32 is: 5,137.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,123.74 : 6,213.90 = 3,409.32 : x
  2. Step 2: Convert to fraction form
    4,123.74/6,213.90 = 3,409.32/x
  3. Step 3: Cross multiply
    4,123.74x = 6,213.90 × 3,409.32
  4. Step 4: Simplify right side
    4,123.74x = 21,185,173.55
  5. Step 5: Solve for x
    x = 21,185,173.55/4,123.74
  6. Step 6: Final answer
    x = 5,137.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.