Home / 4,213.54-6,321.39-1,904.50

Finding the Fourth Proportional to 4,213.54, 6,321.39 and 1,904.50

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Solution

The fourth proportional to 4,213.54, 6,321.39 and 1,904.50 is: 2,857.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,213.54 : 6,321.39 = 1,904.50 : x
  2. Step 2: Convert to fraction form
    4,213.54/6,321.39 = 1,904.50/x
  3. Step 3: Cross multiply
    4,213.54x = 6,321.39 × 1,904.50
  4. Step 4: Simplify right side
    4,213.54x = 12,039,087.26
  5. Step 5: Solve for x
    x = 12,039,087.26/4,213.54
  6. Step 6: Final answer
    x = 2,857.24

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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.