Home / 7,181.73-9,911.34-4,037.94

Finding the Fourth Proportional to 7,181.73, 9,911.34 and 4,037.94

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Solution

The fourth proportional to 7,181.73, 9,911.34 and 4,037.94 is: 5,572.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,181.73 : 9,911.34 = 4,037.94 : x
  2. Step 2: Convert to fraction form
    7,181.73/9,911.34 = 4,037.94/x
  3. Step 3: Cross multiply
    7,181.73x = 9,911.34 × 4,037.94
  4. Step 4: Simplify right side
    7,181.73x = 40,021,396.24
  5. Step 5: Solve for x
    x = 40,021,396.24/7,181.73
  6. Step 6: Final answer
    x = 5,572.67

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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.