Home / 4,561.83-6,845.85-1,640.43

Finding the Fourth Proportional to 4,561.83, 6,845.85 and 1,640.43

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Solution

The fourth proportional to 4,561.83, 6,845.85 and 1,640.43 is: 2,461.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,561.83 : 6,845.85 = 1,640.43 : x
  2. Step 2: Convert to fraction form
    4,561.83/6,845.85 = 1,640.43/x
  3. Step 3: Cross multiply
    4,561.83x = 6,845.85 × 1,640.43
  4. Step 4: Simplify right side
    4,561.83x = 11,230,137.72
  5. Step 5: Solve for x
    x = 11,230,137.72/4,561.83
  6. Step 6: Final answer
    x = 2,461.76

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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.