Home / 8,054.72-12,079.76-2,211.52

Finding the Fourth Proportional to 8,054.72, 12,079.76 and 2,211.52

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Solution

The fourth proportional to 8,054.72, 12,079.76 and 2,211.52 is: 3,316.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,054.72 : 12,079.76 = 2,211.52 : x
  2. Step 2: Convert to fraction form
    8,054.72/12,079.76 = 2,211.52/x
  3. Step 3: Cross multiply
    8,054.72x = 12,079.76 × 2,211.52
  4. Step 4: Simplify right side
    8,054.72x = 26,714,630.84
  5. Step 5: Solve for x
    x = 26,714,630.84/8,054.72
  6. Step 6: Final answer
    x = 3,316.64

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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.