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Finding the Fourth Proportional to 7,245.99, 10,851.57 and 3,950.91

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Solution

The fourth proportional to 7,245.99, 10,851.57 and 3,950.91 is: 5,916.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,245.99 : 10,851.57 = 3,950.91 : x
  2. Step 2: Convert to fraction form
    7,245.99/10,851.57 = 3,950.91/x
  3. Step 3: Cross multiply
    7,245.99x = 10,851.57 × 3,950.91
  4. Step 4: Simplify right side
    7,245.99x = 42,873,576.43
  5. Step 5: Solve for x
    x = 42,873,576.43/7,245.99
  6. Step 6: Final answer
    x = 5,916.87

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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.