Home / 8,291.88-11,453.70-6,192.36

Finding the Fourth Proportional to 8,291.88, 11,453.70 and 6,192.36

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Solution

The fourth proportional to 8,291.88, 11,453.70 and 6,192.36 is: 8,553.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,291.88 : 11,453.70 = 6,192.36 : x
  2. Step 2: Convert to fraction form
    8,291.88/11,453.70 = 6,192.36/x
  3. Step 3: Cross multiply
    8,291.88x = 11,453.70 × 6,192.36
  4. Step 4: Simplify right side
    8,291.88x = 70,925,433.73
  5. Step 5: Solve for x
    x = 70,925,433.73/8,291.88
  6. Step 6: Final answer
    x = 8,553.60

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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.