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Finding the Fourth Proportional to 3,839.63, 5,295.02 and 3,556.67

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Solution

The fourth proportional to 3,839.63, 5,295.02 and 3,556.67 is: 4,904.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,839.63 : 5,295.02 = 3,556.67 : x
  2. Step 2: Convert to fraction form
    3,839.63/5,295.02 = 3,556.67/x
  3. Step 3: Cross multiply
    3,839.63x = 5,295.02 × 3,556.67
  4. Step 4: Simplify right side
    3,839.63x = 18,832,594.52
  5. Step 5: Solve for x
    x = 18,832,594.52/3,839.63
  6. Step 6: Final answer
    x = 4,904.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.