Home / 8,783.10-12,120.68-4,804.22

Finding the Fourth Proportional to 8,783.10, 12,120.68 and 4,804.22

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Solution

The fourth proportional to 8,783.10, 12,120.68 and 4,804.22 is: 6,629.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,783.10 : 12,120.68 = 4,804.22 : x
  2. Step 2: Convert to fraction form
    8,783.10/12,120.68 = 4,804.22/x
  3. Step 3: Cross multiply
    8,783.10x = 12,120.68 × 4,804.22
  4. Step 4: Simplify right side
    8,783.10x = 58,230,413.27
  5. Step 5: Solve for x
    x = 58,230,413.27/8,783.10
  6. Step 6: Final answer
    x = 6,629.82

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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.