Home / 6,345.46-8,757.12-3,512.86

Finding the Fourth Proportional to 6,345.46, 8,757.12 and 3,512.86

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Solution

The fourth proportional to 6,345.46, 8,757.12 and 3,512.86 is: 4,847.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,345.46 : 8,757.12 = 3,512.86 : x
  2. Step 2: Convert to fraction form
    6,345.46/8,757.12 = 3,512.86/x
  3. Step 3: Cross multiply
    6,345.46x = 8,757.12 × 3,512.86
  4. Step 4: Simplify right side
    6,345.46x = 30,762,536.56
  5. Step 5: Solve for x
    x = 30,762,536.56/6,345.46
  6. Step 6: Final answer
    x = 4,847.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.