Home / 5,012.67-7,519.01-2,091.81

Finding the Fourth Proportional to 5,012.67, 7,519.01 and 2,091.81

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Solution

The fourth proportional to 5,012.67, 7,519.01 and 2,091.81 is: 3,137.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,012.67 : 7,519.01 = 2,091.81 : x
  2. Step 2: Convert to fraction form
    5,012.67/7,519.01 = 2,091.81/x
  3. Step 3: Cross multiply
    5,012.67x = 7,519.01 × 2,091.81
  4. Step 4: Simplify right side
    5,012.67x = 15,728,329.85
  5. Step 5: Solve for x
    x = 15,728,329.85/5,012.67
  6. Step 6: Final answer
    x = 3,137.72

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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.