Home / 6,861.96-9,469.49-3,718.14

Finding the Fourth Proportional to 6,861.96, 9,469.49 and 3,718.14

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Solution

The fourth proportional to 6,861.96, 9,469.49 and 3,718.14 is: 5,131.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,861.96 : 9,469.49 = 3,718.14 : x
  2. Step 2: Convert to fraction form
    6,861.96/9,469.49 = 3,718.14/x
  3. Step 3: Cross multiply
    6,861.96x = 9,469.49 × 3,718.14
  4. Step 4: Simplify right side
    6,861.96x = 35,208,889.55
  5. Step 5: Solve for x
    x = 35,208,889.55/6,861.96
  6. Step 6: Final answer
    x = 5,131.03

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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.