Home / 6,316.94-8,720.89-3,799.67

Finding the Fourth Proportional to 6,316.94, 8,720.89 and 3,799.67

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Solution

The fourth proportional to 6,316.94, 8,720.89 and 3,799.67 is: 5,245.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,316.94 : 8,720.89 = 3,799.67 : x
  2. Step 2: Convert to fraction form
    6,316.94/8,720.89 = 3,799.67/x
  3. Step 3: Cross multiply
    6,316.94x = 8,720.89 × 3,799.67
  4. Step 4: Simplify right side
    6,316.94x = 33,136,451.00
  5. Step 5: Solve for x
    x = 33,136,451.00/6,316.94
  6. Step 6: Final answer
    x = 5,245.65

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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.