Home / 4,255.45-6,383.18-1,333.99

Finding the Fourth Proportional to 4,255.45, 6,383.18 and 1,333.99

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Solution

The fourth proportional to 4,255.45, 6,383.18 and 1,333.99 is: 2,000.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,255.45 : 6,383.18 = 1,333.99 : x
  2. Step 2: Convert to fraction form
    4,255.45/6,383.18 = 1,333.99/x
  3. Step 3: Cross multiply
    4,255.45x = 6,383.18 × 1,333.99
  4. Step 4: Simplify right side
    4,255.45x = 8,515,066.37
  5. Step 5: Solve for x
    x = 8,515,066.37/4,255.45
  6. Step 6: Final answer
    x = 2,000.98

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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.