Home / 8,342.44-11,512.58-5,198.63

Finding the Fourth Proportional to 8,342.44, 11,512.58 and 5,198.63

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Solution

The fourth proportional to 8,342.44, 11,512.58 and 5,198.63 is: 7,174.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,342.44 : 11,512.58 = 5,198.63 : x
  2. Step 2: Convert to fraction form
    8,342.44/11,512.58 = 5,198.63/x
  3. Step 3: Cross multiply
    8,342.44x = 11,512.58 × 5,198.63
  4. Step 4: Simplify right side
    8,342.44x = 59,849,560.21
  5. Step 5: Solve for x
    x = 59,849,560.21/8,342.44
  6. Step 6: Final answer
    x = 7,174.11

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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.