Home / 4,358.76-6,538.56-1,238.91

Finding the Fourth Proportional to 4,358.76, 6,538.56 and 1,238.91

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Solution

The fourth proportional to 4,358.76, 6,538.56 and 1,238.91 is: 1,858.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,358.76 : 6,538.56 = 1,238.91 : x
  2. Step 2: Convert to fraction form
    4,358.76/6,538.56 = 1,238.91/x
  3. Step 3: Cross multiply
    4,358.76x = 6,538.56 × 1,238.91
  4. Step 4: Simplify right side
    4,358.76x = 8,100,654.68
  5. Step 5: Solve for x
    x = 8,100,654.68/4,358.76
  6. Step 6: Final answer
    x = 1,858.48

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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.