Home / 5,570.73-7,688.07-3,181.41

Finding the Fourth Proportional to 5,570.73, 7,688.07 and 3,181.41

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Solution

The fourth proportional to 5,570.73, 7,688.07 and 3,181.41 is: 4,390.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,570.73 : 7,688.07 = 3,181.41 : x
  2. Step 2: Convert to fraction form
    5,570.73/7,688.07 = 3,181.41/x
  3. Step 3: Cross multiply
    5,570.73x = 7,688.07 × 3,181.41
  4. Step 4: Simplify right side
    5,570.73x = 24,458,902.78
  5. Step 5: Solve for x
    x = 24,458,902.78/5,570.73
  6. Step 6: Final answer
    x = 4,390.61

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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.