Home / 7,181.46-9,910.35-4,037.67

Finding the Fourth Proportional to 7,181.46, 9,910.35 and 4,037.67

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Solution

The fourth proportional to 7,181.46, 9,910.35 and 4,037.67 is: 5,571.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,181.46 : 9,910.35 = 4,037.67 : x
  2. Step 2: Convert to fraction form
    7,181.46/9,910.35 = 4,037.67/x
  3. Step 3: Cross multiply
    7,181.46x = 9,910.35 × 4,037.67
  4. Step 4: Simplify right side
    7,181.46x = 40,014,722.88
  5. Step 5: Solve for x
    x = 40,014,722.88/7,181.46
  6. Step 6: Final answer
    x = 5,571.95

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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.