Home / 6,688.41-9,231.54-4,450.38

Finding the Fourth Proportional to 6,688.41, 9,231.54 and 4,450.38

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Solution

The fourth proportional to 6,688.41, 9,231.54 and 4,450.38 is: 6,142.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,688.41 : 9,231.54 = 4,450.38 : x
  2. Step 2: Convert to fraction form
    6,688.41/9,231.54 = 4,450.38/x
  3. Step 3: Cross multiply
    6,688.41x = 9,231.54 × 4,450.38
  4. Step 4: Simplify right side
    6,688.41x = 41,083,860.99
  5. Step 5: Solve for x
    x = 41,083,860.99/6,688.41
  6. Step 6: Final answer
    x = 6,142.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.