Home / 6,127.56-8,455.59-3,769.74

Finding the Fourth Proportional to 6,127.56, 8,455.59 and 3,769.74

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Solution

The fourth proportional to 6,127.56, 8,455.59 and 3,769.74 is: 5,201.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,127.56 : 8,455.59 = 3,769.74 : x
  2. Step 2: Convert to fraction form
    6,127.56/8,455.59 = 3,769.74/x
  3. Step 3: Cross multiply
    6,127.56x = 8,455.59 × 3,769.74
  4. Step 4: Simplify right side
    6,127.56x = 31,875,375.85
  5. Step 5: Solve for x
    x = 31,875,375.85/6,127.56
  6. Step 6: Final answer
    x = 5,201.97

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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.