Home / 5,051.36-7,576.13-2,131.72

Finding the Fourth Proportional to 5,051.36, 7,576.13 and 2,131.72

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Solution

The fourth proportional to 5,051.36, 7,576.13 and 2,131.72 is: 3,197.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,051.36 : 7,576.13 = 2,131.72 : x
  2. Step 2: Convert to fraction form
    5,051.36/7,576.13 = 2,131.72/x
  3. Step 3: Cross multiply
    5,051.36x = 7,576.13 × 2,131.72
  4. Step 4: Simplify right side
    5,051.36x = 16,150,174.23
  5. Step 5: Solve for x
    x = 16,150,174.23/5,051.36
  6. Step 6: Final answer
    x = 3,197.19

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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.