Home / 8,198.52-11,317.73-5,366.01

Finding the Fourth Proportional to 8,198.52, 11,317.73 and 5,366.01

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Solution

The fourth proportional to 8,198.52, 11,317.73 and 5,366.01 is: 7,407.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,198.52 : 11,317.73 = 5,366.01 : x
  2. Step 2: Convert to fraction form
    8,198.52/11,317.73 = 5,366.01/x
  3. Step 3: Cross multiply
    8,198.52x = 11,317.73 × 5,366.01
  4. Step 4: Simplify right side
    8,198.52x = 60,731,020.22
  5. Step 5: Solve for x
    x = 60,731,020.22/8,198.52
  6. Step 6: Final answer
    x = 7,407.56

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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.