Home / 8,166.09-11,269.32-6,118.37

Finding the Fourth Proportional to 8,166.09, 11,269.32 and 6,118.37

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Solution

The fourth proportional to 8,166.09, 11,269.32 and 6,118.37 is: 8,443.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,166.09 : 11,269.32 = 6,118.37 : x
  2. Step 2: Convert to fraction form
    8,166.09/11,269.32 = 6,118.37/x
  3. Step 3: Cross multiply
    8,166.09x = 11,269.32 × 6,118.37
  4. Step 4: Simplify right side
    8,166.09x = 68,949,813.06
  5. Step 5: Solve for x
    x = 68,949,813.06/8,166.09
  6. Step 6: Final answer
    x = 8,443.43

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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.