Home / 8,991.11-12,413.49-5,805.83

Finding the Fourth Proportional to 8,991.11, 12,413.49 and 5,805.83

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Solution

The fourth proportional to 8,991.11, 12,413.49 and 5,805.83 is: 8,015.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,991.11 : 12,413.49 = 5,805.83 : x
  2. Step 2: Convert to fraction form
    8,991.11/12,413.49 = 5,805.83/x
  3. Step 3: Cross multiply
    8,991.11x = 12,413.49 × 5,805.83
  4. Step 4: Simplify right side
    8,991.11x = 72,070,612.65
  5. Step 5: Solve for x
    x = 72,070,612.65/8,991.11
  6. Step 6: Final answer
    x = 8,015.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.