Home / 6,861.32-10,289.86-2,478.22

Finding the Fourth Proportional to 6,861.32, 10,289.86 and 2,478.22

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Solution

The fourth proportional to 6,861.32, 10,289.86 and 2,478.22 is: 3,716.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,861.32 : 10,289.86 = 2,478.22 : x
  2. Step 2: Convert to fraction form
    6,861.32/10,289.86 = 2,478.22/x
  3. Step 3: Cross multiply
    6,861.32x = 10,289.86 × 2,478.22
  4. Step 4: Simplify right side
    6,861.32x = 25,500,536.85
  5. Step 5: Solve for x
    x = 25,500,536.85/6,861.32
  6. Step 6: Final answer
    x = 3,716.56

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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.