Home / 4,911.80-6,778.29-2,673.67

Finding the Fourth Proportional to 4,911.80, 6,778.29 and 2,673.67

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Solution

The fourth proportional to 4,911.80, 6,778.29 and 2,673.67 is: 3,689.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,911.80 : 6,778.29 = 2,673.67 : x
  2. Step 2: Convert to fraction form
    4,911.80/6,778.29 = 2,673.67/x
  3. Step 3: Cross multiply
    4,911.80x = 6,778.29 × 2,673.67
  4. Step 4: Simplify right side
    4,911.80x = 18,122,910.62
  5. Step 5: Solve for x
    x = 18,122,910.62/4,911.80
  6. Step 6: Final answer
    x = 3,689.67

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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.