Home / 4,383.09-6,048.69-2,811.20

Finding the Fourth Proportional to 4,383.09, 6,048.69 and 2,811.20

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Solution

The fourth proportional to 4,383.09, 6,048.69 and 2,811.20 is: 3,879.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,383.09 : 6,048.69 = 2,811.20 : x
  2. Step 2: Convert to fraction form
    4,383.09/6,048.69 = 2,811.20/x
  3. Step 3: Cross multiply
    4,383.09x = 6,048.69 × 2,811.20
  4. Step 4: Simplify right side
    4,383.09x = 17,004,047.08
  5. Step 5: Solve for x
    x = 17,004,047.08/4,383.09
  6. Step 6: Final answer
    x = 3,879.47

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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.