Home / 6,861.94-10,286.80-2,478.42

Finding the Fourth Proportional to 6,861.94, 10,286.80 and 2,478.42

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Solution

The fourth proportional to 6,861.94, 10,286.80 and 2,478.42 is: 3,715.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,861.94 : 10,286.80 = 2,478.42 : x
  2. Step 2: Convert to fraction form
    6,861.94/10,286.80 = 2,478.42/x
  3. Step 3: Cross multiply
    6,861.94x = 10,286.80 × 2,478.42
  4. Step 4: Simplify right side
    6,861.94x = 25,495,004.66
  5. Step 5: Solve for x
    x = 25,495,004.66/6,861.94
  6. Step 6: Final answer
    x = 3,715.42

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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.