Home / 7,954.21-11,930.23-3,025.09

Finding the Fourth Proportional to 7,954.21, 11,930.23 and 3,025.09

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Solution

The fourth proportional to 7,954.21, 11,930.23 and 3,025.09 is: 4,537.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,954.21 : 11,930.23 = 3,025.09 : x
  2. Step 2: Convert to fraction form
    7,954.21/11,930.23 = 3,025.09/x
  3. Step 3: Cross multiply
    7,954.21x = 11,930.23 × 3,025.09
  4. Step 4: Simplify right side
    7,954.21x = 36,090,019.47
  5. Step 5: Solve for x
    x = 36,090,019.47/7,954.21
  6. Step 6: Final answer
    x = 4,537.22

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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.