Home / 4,218.82-6,328.23-1,619.93

Finding the Fourth Proportional to 4,218.82, 6,328.23 and 1,619.93

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Solution

The fourth proportional to 4,218.82, 6,328.23 and 1,619.93 is: 2,429.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,218.82 : 6,328.23 = 1,619.93 : x
  2. Step 2: Convert to fraction form
    4,218.82/6,328.23 = 1,619.93/x
  3. Step 3: Cross multiply
    4,218.82x = 6,328.23 × 1,619.93
  4. Step 4: Simplify right side
    4,218.82x = 10,251,299.37
  5. Step 5: Solve for x
    x = 10,251,299.37/4,218.82
  6. Step 6: Final answer
    x = 2,429.90

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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.