Home / 8,198.02-11,311.56-5,212.76

Finding the Fourth Proportional to 8,198.02, 11,311.56 and 5,212.76

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Solution

The fourth proportional to 8,198.02, 11,311.56 and 5,212.76 is: 7,192.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,198.02 : 11,311.56 = 5,212.76 : x
  2. Step 2: Convert to fraction form
    8,198.02/11,311.56 = 5,212.76/x
  3. Step 3: Cross multiply
    8,198.02x = 11,311.56 × 5,212.76
  4. Step 4: Simplify right side
    8,198.02x = 58,964,447.51
  5. Step 5: Solve for x
    x = 58,964,447.51/8,198.02
  6. Step 6: Final answer
    x = 7,192.52

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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.