Home / 5,413.02-8,117.82-2,814.54

Finding the Fourth Proportional to 5,413.02, 8,117.82 and 2,814.54

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Solution

The fourth proportional to 5,413.02, 8,117.82 and 2,814.54 is: 4,220.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,413.02 : 8,117.82 = 2,814.54 : x
  2. Step 2: Convert to fraction form
    5,413.02/8,117.82 = 2,814.54/x
  3. Step 3: Cross multiply
    5,413.02x = 8,117.82 × 2,814.54
  4. Step 4: Simplify right side
    5,413.02x = 22,847,929.10
  5. Step 5: Solve for x
    x = 22,847,929.10/5,413.02
  6. Step 6: Final answer
    x = 4,220.92

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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.