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Finding the Fourth Proportional to 8,062.94, 12,090.77 and 4,170.08

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Solution

The fourth proportional to 8,062.94, 12,090.77 and 4,170.08 is: 6,253.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,062.94 : 12,090.77 = 4,170.08 : x
  2. Step 2: Convert to fraction form
    8,062.94/12,090.77 = 4,170.08/x
  3. Step 3: Cross multiply
    8,062.94x = 12,090.77 × 4,170.08
  4. Step 4: Simplify right side
    8,062.94x = 50,419,503.18
  5. Step 5: Solve for x
    x = 50,419,503.18/8,062.94
  6. Step 6: Final answer
    x = 6,253.24

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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.