Home / 8,257.82-11,383.20-6,486.35

Finding the Fourth Proportional to 8,257.82, 11,383.20 and 6,486.35

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Solution

The fourth proportional to 8,257.82, 11,383.20 and 6,486.35 is: 8,941.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,257.82 : 11,383.20 = 6,486.35 : x
  2. Step 2: Convert to fraction form
    8,257.82/11,383.20 = 6,486.35/x
  3. Step 3: Cross multiply
    8,257.82x = 11,383.20 × 6,486.35
  4. Step 4: Simplify right side
    8,257.82x = 73,835,362.40
  5. Step 5: Solve for x
    x = 73,835,362.40/8,257.82
  6. Step 6: Final answer
    x = 8,941.27

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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.