Home / 4,333.44-5,981.94-3,890.64

Finding the Fourth Proportional to 4,333.44, 5,981.94 and 3,890.64

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Solution

The fourth proportional to 4,333.44, 5,981.94 and 3,890.64 is: 5,370.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,333.44 : 5,981.94 = 3,890.64 : x
  2. Step 2: Convert to fraction form
    4,333.44/5,981.94 = 3,890.64/x
  3. Step 3: Cross multiply
    4,333.44x = 5,981.94 × 3,890.64
  4. Step 4: Simplify right side
    4,333.44x = 23,273,575.04
  5. Step 5: Solve for x
    x = 23,273,575.04/4,333.44
  6. Step 6: Final answer
    x = 5,370.69

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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.