Home / 4,197.72-6,297.60-1,275.86

Finding the Fourth Proportional to 4,197.72, 6,297.60 and 1,275.86

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Solution

The fourth proportional to 4,197.72, 6,297.60 and 1,275.86 is: 1,914.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,197.72 : 6,297.60 = 1,275.86 : x
  2. Step 2: Convert to fraction form
    4,197.72/6,297.60 = 1,275.86/x
  3. Step 3: Cross multiply
    4,197.72x = 6,297.60 × 1,275.86
  4. Step 4: Simplify right side
    4,197.72x = 8,034,824.45
  5. Step 5: Solve for x
    x = 8,034,824.45/4,197.72
  6. Step 6: Final answer
    x = 1,914.09

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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.