Home / 8,080.54-11,137.44-6,165.70

Finding the Fourth Proportional to 8,080.54, 11,137.44 and 6,165.70

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Solution

The fourth proportional to 8,080.54, 11,137.44 and 6,165.70 is: 8,498.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,080.54 : 11,137.44 = 6,165.70 : x
  2. Step 2: Convert to fraction form
    8,080.54/11,137.44 = 6,165.70/x
  3. Step 3: Cross multiply
    8,080.54x = 11,137.44 × 6,165.70
  4. Step 4: Simplify right side
    8,080.54x = 68,670,113.81
  5. Step 5: Solve for x
    x = 68,670,113.81/8,080.54
  6. Step 6: Final answer
    x = 8,498.21

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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.