Home / 4,086.99-5,647.70-3,340.67

Finding the Fourth Proportional to 4,086.99, 5,647.70 and 3,340.67

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Solution

The fourth proportional to 4,086.99, 5,647.70 and 3,340.67 is: 4,616.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,086.99 : 5,647.70 = 3,340.67 : x
  2. Step 2: Convert to fraction form
    4,086.99/5,647.70 = 3,340.67/x
  3. Step 3: Cross multiply
    4,086.99x = 5,647.70 × 3,340.67
  4. Step 4: Simplify right side
    4,086.99x = 18,867,101.96
  5. Step 5: Solve for x
    x = 18,867,101.96/4,086.99
  6. Step 6: Final answer
    x = 4,616.38

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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.