Home / 5,491.12-8,236.80-2,413.12

Finding the Fourth Proportional to 5,491.12, 8,236.80 and 2,413.12

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Solution

The fourth proportional to 5,491.12, 8,236.80 and 2,413.12 is: 3,619.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,491.12 : 8,236.80 = 2,413.12 : x
  2. Step 2: Convert to fraction form
    5,491.12/8,236.80 = 2,413.12/x
  3. Step 3: Cross multiply
    5,491.12x = 8,236.80 × 2,413.12
  4. Step 4: Simplify right side
    5,491.12x = 19,876,386.82
  5. Step 5: Solve for x
    x = 19,876,386.82/5,491.12
  6. Step 6: Final answer
    x = 3,619.73

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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.