Home / 8,554.44-11,808.73-5,198.34

Finding the Fourth Proportional to 8,554.44, 11,808.73 and 5,198.34

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Solution

The fourth proportional to 8,554.44, 11,808.73 and 5,198.34 is: 7,175.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,554.44 : 11,808.73 = 5,198.34 : x
  2. Step 2: Convert to fraction form
    8,554.44/11,808.73 = 5,198.34/x
  3. Step 3: Cross multiply
    8,554.44x = 11,808.73 × 5,198.34
  4. Step 4: Simplify right side
    8,554.44x = 61,385,793.51
  5. Step 5: Solve for x
    x = 61,385,793.51/8,554.44
  6. Step 6: Final answer
    x = 7,175.90

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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.