Home / 4,284.23-6,423.96-1,321.83

Finding the Fourth Proportional to 4,284.23, 6,423.96 and 1,321.83

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Solution

The fourth proportional to 4,284.23, 6,423.96 and 1,321.83 is: 1,982.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,284.23 : 6,423.96 = 1,321.83 : x
  2. Step 2: Convert to fraction form
    4,284.23/6,423.96 = 1,321.83/x
  3. Step 3: Cross multiply
    4,284.23x = 6,423.96 × 1,321.83
  4. Step 4: Simplify right side
    4,284.23x = 8,491,396.63
  5. Step 5: Solve for x
    x = 8,491,396.63/4,284.23
  6. Step 6: Final answer
    x = 1,982.01

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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.