Home / 4,555.80-6,290.73-2,879.91

Finding the Fourth Proportional to 4,555.80, 6,290.73 and 2,879.91

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Solution

The fourth proportional to 4,555.80, 6,290.73 and 2,879.91 is: 3,976.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,555.80 : 6,290.73 = 2,879.91 : x
  2. Step 2: Convert to fraction form
    4,555.80/6,290.73 = 2,879.91/x
  3. Step 3: Cross multiply
    4,555.80x = 6,290.73 × 2,879.91
  4. Step 4: Simplify right side
    4,555.80x = 18,116,736.23
  5. Step 5: Solve for x
    x = 18,116,736.23/4,555.80
  6. Step 6: Final answer
    x = 3,976.63

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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.