Home / 4,620.80-6,367.20-3,569.60

Finding the Fourth Proportional to 4,620.80, 6,367.20 and 3,569.60

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Solution

The fourth proportional to 4,620.80, 6,367.20 and 3,569.60 is: 4,918.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,620.80 : 6,367.20 = 3,569.60 : x
  2. Step 2: Convert to fraction form
    4,620.80/6,367.20 = 3,569.60/x
  3. Step 3: Cross multiply
    4,620.80x = 6,367.20 × 3,569.60
  4. Step 4: Simplify right side
    4,620.80x = 22,728,357.12
  5. Step 5: Solve for x
    x = 22,728,357.12/4,620.80
  6. Step 6: Final answer
    x = 4,918.71

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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.