Home / 7,822.85-11,734.63-2,558.19

Finding the Fourth Proportional to 7,822.85, 11,734.63 and 2,558.19

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Solution

The fourth proportional to 7,822.85, 11,734.63 and 2,558.19 is: 3,837.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,822.85 : 11,734.63 = 2,558.19 : x
  2. Step 2: Convert to fraction form
    7,822.85/11,734.63 = 2,558.19/x
  3. Step 3: Cross multiply
    7,822.85x = 11,734.63 × 2,558.19
  4. Step 4: Simplify right side
    7,822.85x = 30,019,413.12
  5. Step 5: Solve for x
    x = 30,019,413.12/7,822.85
  6. Step 6: Final answer
    x = 3,837.40

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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.