Home / 8,867.82-12,238.46-6,625.80

Finding the Fourth Proportional to 8,867.82, 12,238.46 and 6,625.80

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Solution

The fourth proportional to 8,867.82, 12,238.46 and 6,625.80 is: 9,144.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,867.82 : 12,238.46 = 6,625.80 : x
  2. Step 2: Convert to fraction form
    8,867.82/12,238.46 = 6,625.80/x
  3. Step 3: Cross multiply
    8,867.82x = 12,238.46 × 6,625.80
  4. Step 4: Simplify right side
    8,867.82x = 81,089,555.14
  5. Step 5: Solve for x
    x = 81,089,555.14/8,867.82
  6. Step 6: Final answer
    x = 9,144.25

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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.