Home / 5,413.02-8,119.32-1,517.32

Finding the Fourth Proportional to 5,413.02, 8,119.32 and 1,517.32

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Solution

The fourth proportional to 5,413.02, 8,119.32 and 1,517.32 is: 2,275.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,413.02 : 8,119.32 = 1,517.32 : x
  2. Step 2: Convert to fraction form
    5,413.02/8,119.32 = 1,517.32/x
  3. Step 3: Cross multiply
    5,413.02x = 8,119.32 × 1,517.32
  4. Step 4: Simplify right side
    5,413.02x = 12,319,606.62
  5. Step 5: Solve for x
    x = 12,319,606.62/5,413.02
  6. Step 6: Final answer
    x = 2,275.92

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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.