Home / 8,910.33-12,295.77-4,930.80

Finding the Fourth Proportional to 8,910.33, 12,295.77 and 4,930.80

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Solution

The fourth proportional to 8,910.33, 12,295.77 and 4,930.80 is: 6,804.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,910.33 : 12,295.77 = 4,930.80 : x
  2. Step 2: Convert to fraction form
    8,910.33/12,295.77 = 4,930.80/x
  3. Step 3: Cross multiply
    8,910.33x = 12,295.77 × 4,930.80
  4. Step 4: Simplify right side
    8,910.33x = 60,627,982.72
  5. Step 5: Solve for x
    x = 60,627,982.72/8,910.33
  6. Step 6: Final answer
    x = 6,804.24

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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.