Home / 8,054.34-12,079.62-3,122.66

Finding the Fourth Proportional to 8,054.34, 12,079.62 and 3,122.66

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Solution

The fourth proportional to 8,054.34, 12,079.62 and 3,122.66 is: 4,683.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,054.34 : 12,079.62 = 3,122.66 : x
  2. Step 2: Convert to fraction form
    8,054.34/12,079.62 = 3,122.66/x
  3. Step 3: Cross multiply
    8,054.34x = 12,079.62 × 3,122.66
  4. Step 4: Simplify right side
    8,054.34x = 37,720,485.79
  5. Step 5: Solve for x
    x = 37,720,485.79/8,054.34
  6. Step 6: Final answer
    x = 4,683.25

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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.