Home / 8,383.46-12,577.22-3,118.67

Finding the Fourth Proportional to 8,383.46, 12,577.22 and 3,118.67

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Solution

The fourth proportional to 8,383.46, 12,577.22 and 3,118.67 is: 4,678.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,383.46 : 12,577.22 = 3,118.67 : x
  2. Step 2: Convert to fraction form
    8,383.46/12,577.22 = 3,118.67/x
  3. Step 3: Cross multiply
    8,383.46x = 12,577.22 × 3,118.67
  4. Step 4: Simplify right side
    8,383.46x = 39,224,120.22
  5. Step 5: Solve for x
    x = 39,224,120.22/8,383.46
  6. Step 6: Final answer
    x = 4,678.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.