Home / 5,413.25-8,118.96-1,516.76

Finding the Fourth Proportional to 5,413.25, 8,118.96 and 1,516.76

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Solution

The fourth proportional to 5,413.25, 8,118.96 and 1,516.76 is: 2,274.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,413.25 : 8,118.96 = 1,516.76 : x
  2. Step 2: Convert to fraction form
    5,413.25/8,118.96 = 1,516.76/x
  3. Step 3: Cross multiply
    5,413.25x = 8,118.96 × 1,516.76
  4. Step 4: Simplify right side
    5,413.25x = 12,314,506.19
  5. Step 5: Solve for x
    x = 12,314,506.19/5,413.25
  6. Step 6: Final answer
    x = 2,274.88

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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.