Home / 4,358.96-6,538.42-1,238.97

Finding the Fourth Proportional to 4,358.96, 6,538.42 and 1,238.97

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Solution

The fourth proportional to 4,358.96, 6,538.42 and 1,238.97 is: 1,858.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,358.96 : 6,538.42 = 1,238.97 : x
  2. Step 2: Convert to fraction form
    4,358.96/6,538.42 = 1,238.97/x
  3. Step 3: Cross multiply
    4,358.96x = 6,538.42 × 1,238.97
  4. Step 4: Simplify right side
    4,358.96x = 8,100,906.23
  5. Step 5: Solve for x
    x = 8,100,906.23/4,358.96
  6. Step 6: Final answer
    x = 1,858.45

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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.