Home / 4,879.19-7,318.77-3,770.22

Finding the Fourth Proportional to 4,879.19, 7,318.77 and 3,770.22

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Solution

The fourth proportional to 4,879.19, 7,318.77 and 3,770.22 is: 5,655.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,879.19 : 7,318.77 = 3,770.22 : x
  2. Step 2: Convert to fraction form
    4,879.19/7,318.77 = 3,770.22/x
  3. Step 3: Cross multiply
    4,879.19x = 7,318.77 × 3,770.22
  4. Step 4: Simplify right side
    4,879.19x = 27,593,345.58
  5. Step 5: Solve for x
    x = 27,593,345.58/4,879.19
  6. Step 6: Final answer
    x = 5,655.32

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Similar ratio
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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.