Home / 6,279.06-9,415.14-2,992.86

Finding the Fourth Proportional to 6,279.06, 9,415.14 and 2,992.86

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Solution

The fourth proportional to 6,279.06, 9,415.14 and 2,992.86 is: 4,487.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,279.06 : 9,415.14 = 2,992.86 : x
  2. Step 2: Convert to fraction form
    6,279.06/9,415.14 = 2,992.86/x
  3. Step 3: Cross multiply
    6,279.06x = 9,415.14 × 2,992.86
  4. Step 4: Simplify right side
    6,279.06x = 28,178,195.90
  5. Step 5: Solve for x
    x = 28,178,195.90/6,279.06
  6. Step 6: Final answer
    x = 4,487.65

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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.