Home / 5,413.01-8,119.82-1,517.72

Finding the Fourth Proportional to 5,413.01, 8,119.82 and 1,517.72

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Solution

The fourth proportional to 5,413.01, 8,119.82 and 1,517.72 is: 2,276.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,413.01 : 8,119.82 = 1,517.72 : x
  2. Step 2: Convert to fraction form
    5,413.01/8,119.82 = 1,517.72/x
  3. Step 3: Cross multiply
    5,413.01x = 8,119.82 × 1,517.72
  4. Step 4: Simplify right side
    5,413.01x = 12,323,637.30
  5. Step 5: Solve for x
    x = 12,323,637.30/5,413.01
  6. Step 6: Final answer
    x = 2,276.67

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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.