Home / 7,440.18-11,161.23-3,930.33

Finding the Fourth Proportional to 7,440.18, 11,161.23 and 3,930.33

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Solution

The fourth proportional to 7,440.18, 11,161.23 and 3,930.33 is: 5,896.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,440.18 : 11,161.23 = 3,930.33 : x
  2. Step 2: Convert to fraction form
    7,440.18/11,161.23 = 3,930.33/x
  3. Step 3: Cross multiply
    7,440.18x = 11,161.23 × 3,930.33
  4. Step 4: Simplify right side
    7,440.18x = 43,867,317.11
  5. Step 5: Solve for x
    x = 43,867,317.11/7,440.18
  6. Step 6: Final answer
    x = 5,896.00

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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.