Home / 6,022.80-8,310.60-3,927.60

Finding the Fourth Proportional to 6,022.80, 8,310.60 and 3,927.60

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Solution

The fourth proportional to 6,022.80, 8,310.60 and 3,927.60 is: 5,419.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,022.80 : 8,310.60 = 3,927.60 : x
  2. Step 2: Convert to fraction form
    6,022.80/8,310.60 = 3,927.60/x
  3. Step 3: Cross multiply
    6,022.80x = 8,310.60 × 3,927.60
  4. Step 4: Simplify right side
    6,022.80x = 32,640,712.56
  5. Step 5: Solve for x
    x = 32,640,712.56/6,022.80
  6. Step 6: Final answer
    x = 5,419.52

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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.