Home / 8,093.98-11,170.20-4,909.51

Finding the Fourth Proportional to 8,093.98, 11,170.20 and 4,909.51

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Solution

The fourth proportional to 8,093.98, 11,170.20 and 4,909.51 is: 6,775.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,093.98 : 11,170.20 = 4,909.51 : x
  2. Step 2: Convert to fraction form
    8,093.98/11,170.20 = 4,909.51/x
  3. Step 3: Cross multiply
    8,093.98x = 11,170.20 × 4,909.51
  4. Step 4: Simplify right side
    8,093.98x = 54,840,208.60
  5. Step 5: Solve for x
    x = 54,840,208.60/8,093.98
  6. Step 6: Final answer
    x = 6,775.43

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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.