Home / 6,244.58-8,618.97-4,120.49

Finding the Fourth Proportional to 6,244.58, 8,618.97 and 4,120.49

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Solution

The fourth proportional to 6,244.58, 8,618.97 and 4,120.49 is: 5,687.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,244.58 : 8,618.97 = 4,120.49 : x
  2. Step 2: Convert to fraction form
    6,244.58/8,618.97 = 4,120.49/x
  3. Step 3: Cross multiply
    6,244.58x = 8,618.97 × 4,120.49
  4. Step 4: Simplify right side
    6,244.58x = 35,514,379.70
  5. Step 5: Solve for x
    x = 35,514,379.70/6,244.58
  6. Step 6: Final answer
    x = 5,687.23

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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.