Home / 8,790.96-13,182.24-2,943.40

Finding the Fourth Proportional to 8,790.96, 13,182.24 and 2,943.40

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Solution

The fourth proportional to 8,790.96, 13,182.24 and 2,943.40 is: 4,413.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,790.96 : 13,182.24 = 2,943.40 : x
  2. Step 2: Convert to fraction form
    8,790.96/13,182.24 = 2,943.40/x
  3. Step 3: Cross multiply
    8,790.96x = 13,182.24 × 2,943.40
  4. Step 4: Simplify right side
    8,790.96x = 38,800,605.22
  5. Step 5: Solve for x
    x = 38,800,605.22/8,790.96
  6. Step 6: Final answer
    x = 4,413.69

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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.