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Finding the Fourth Proportional to 8,078.88, 12,072.30 and 6,064.44

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Solution

The fourth proportional to 8,078.88, 12,072.30 and 6,064.44 is: 9,062.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,078.88 : 12,072.30 = 6,064.44 : x
  2. Step 2: Convert to fraction form
    8,078.88/12,072.30 = 6,064.44/x
  3. Step 3: Cross multiply
    8,078.88x = 12,072.30 × 6,064.44
  4. Step 4: Simplify right side
    8,078.88x = 73,211,739.01
  5. Step 5: Solve for x
    x = 73,211,739.01/8,078.88
  6. Step 6: Final answer
    x = 9,062.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.