Home / 8,275.56-12,413.34-2,119.56

Finding the Fourth Proportional to 8,275.56, 12,413.34 and 2,119.56

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Solution

The fourth proportional to 8,275.56, 12,413.34 and 2,119.56 is: 3,179.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,275.56 : 12,413.34 = 2,119.56 : x
  2. Step 2: Convert to fraction form
    8,275.56/12,413.34 = 2,119.56/x
  3. Step 3: Cross multiply
    8,275.56x = 12,413.34 × 2,119.56
  4. Step 4: Simplify right side
    8,275.56x = 26,310,818.93
  5. Step 5: Solve for x
    x = 26,310,818.93/8,275.56
  6. Step 6: Final answer
    x = 3,179.34

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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.