Home / 6,072.60-8,374.62-3,977.88

Finding the Fourth Proportional to 6,072.60, 8,374.62 and 3,977.88

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Solution

The fourth proportional to 6,072.60, 8,374.62 and 3,977.88 is: 5,485.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,072.60 : 8,374.62 = 3,977.88 : x
  2. Step 2: Convert to fraction form
    6,072.60/8,374.62 = 3,977.88/x
  3. Step 3: Cross multiply
    6,072.60x = 8,374.62 × 3,977.88
  4. Step 4: Simplify right side
    6,072.60x = 33,313,233.41
  5. Step 5: Solve for x
    x = 33,313,233.41/6,072.60
  6. Step 6: Final answer
    x = 5,485.83

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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.