Home / 6,316.89-8,716.25-3,798.39

Finding the Fourth Proportional to 6,316.89, 8,716.25 and 3,798.39

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Solution

The fourth proportional to 6,316.89, 8,716.25 and 3,798.39 is: 5,241.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,316.89 : 8,716.25 = 3,798.39 : x
  2. Step 2: Convert to fraction form
    6,316.89/8,716.25 = 3,798.39/x
  3. Step 3: Cross multiply
    6,316.89x = 8,716.25 × 3,798.39
  4. Step 4: Simplify right side
    6,316.89x = 33,107,697.85
  5. Step 5: Solve for x
    x = 33,107,697.85/6,316.89
  6. Step 6: Final answer
    x = 5,241.14

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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.