Home / 8,810.25-13,219.67-3,879.27

Finding the Fourth Proportional to 8,810.25, 13,219.67 and 3,879.27

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Solution

The fourth proportional to 8,810.25, 13,219.67 and 3,879.27 is: 5,820.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,810.25 : 13,219.67 = 3,879.27 : x
  2. Step 2: Convert to fraction form
    8,810.25/13,219.67 = 3,879.27/x
  3. Step 3: Cross multiply
    8,810.25x = 13,219.67 × 3,879.27
  4. Step 4: Simplify right side
    8,810.25x = 51,282,678.94
  5. Step 5: Solve for x
    x = 51,282,678.94/8,810.25
  6. Step 6: Final answer
    x = 5,820.80

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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.