Home / 4,128.67-6,194.03-1,663.51

Finding the Fourth Proportional to 4,128.67, 6,194.03 and 1,663.51

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Solution

The fourth proportional to 4,128.67, 6,194.03 and 1,663.51 is: 2,495.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,128.67 : 6,194.03 = 1,663.51 : x
  2. Step 2: Convert to fraction form
    4,128.67/6,194.03 = 1,663.51/x
  3. Step 3: Cross multiply
    4,128.67x = 6,194.03 × 1,663.51
  4. Step 4: Simplify right side
    4,128.67x = 10,303,791.56
  5. Step 5: Solve for x
    x = 10,303,791.56/4,128.67
  6. Step 6: Final answer
    x = 2,495.67

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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.