Home / 8,858.06-12,223.55-4,879.15

Finding the Fourth Proportional to 8,858.06, 12,223.55 and 4,879.15

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Solution

The fourth proportional to 8,858.06, 12,223.55 and 4,879.15 is: 6,732.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,858.06 : 12,223.55 = 4,879.15 : x
  2. Step 2: Convert to fraction form
    8,858.06/12,223.55 = 4,879.15/x
  3. Step 3: Cross multiply
    8,858.06x = 12,223.55 × 4,879.15
  4. Step 4: Simplify right side
    8,858.06x = 59,640,515.62
  5. Step 5: Solve for x
    x = 59,640,515.62/8,858.06
  6. Step 6: Final answer
    x = 6,732.91

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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.