Home / 5,110.99-7,668.64-2,190.67

Finding the Fourth Proportional to 5,110.99, 7,668.64 and 2,190.67

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Solution

The fourth proportional to 5,110.99, 7,668.64 and 2,190.67 is: 3,286.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,110.99 : 7,668.64 = 2,190.67 : x
  2. Step 2: Convert to fraction form
    5,110.99/7,668.64 = 2,190.67/x
  3. Step 3: Cross multiply
    5,110.99x = 7,668.64 × 2,190.67
  4. Step 4: Simplify right side
    5,110.99x = 16,799,459.59
  5. Step 5: Solve for x
    x = 16,799,459.59/5,110.99
  6. Step 6: Final answer
    x = 3,286.93

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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.