Home / 4,245.64-6,369.32-1,323.84

Finding the Fourth Proportional to 4,245.64, 6,369.32 and 1,323.84

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Solution

The fourth proportional to 4,245.64, 6,369.32 and 1,323.84 is: 1,986.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,245.64 : 6,369.32 = 1,323.84 : x
  2. Step 2: Convert to fraction form
    4,245.64/6,369.32 = 1,323.84/x
  3. Step 3: Cross multiply
    4,245.64x = 6,369.32 × 1,323.84
  4. Step 4: Simplify right side
    4,245.64x = 8,431,960.59
  5. Step 5: Solve for x
    x = 8,431,960.59/4,245.64
  6. Step 6: Final answer
    x = 1,986.03

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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.