Home / 5,371.06-7,413.90-3,247.78

Finding the Fourth Proportional to 5,371.06, 7,413.90 and 3,247.78

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Solution

The fourth proportional to 5,371.06, 7,413.90 and 3,247.78 is: 4,483.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,371.06 : 7,413.90 = 3,247.78 : x
  2. Step 2: Convert to fraction form
    5,371.06/7,413.90 = 3,247.78/x
  3. Step 3: Cross multiply
    5,371.06x = 7,413.90 × 3,247.78
  4. Step 4: Simplify right side
    5,371.06x = 24,078,716.14
  5. Step 5: Solve for x
    x = 24,078,716.14/5,371.06
  6. Step 6: Final answer
    x = 4,483.05

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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.