Home / 8,171.42-11,262.85-6,256.58

Finding the Fourth Proportional to 8,171.42, 11,262.85 and 6,256.58

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Solution

The fourth proportional to 8,171.42, 11,262.85 and 6,256.58 is: 8,623.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,171.42 : 11,262.85 = 6,256.58 : x
  2. Step 2: Convert to fraction form
    8,171.42/11,262.85 = 6,256.58/x
  3. Step 3: Cross multiply
    8,171.42x = 11,262.85 × 6,256.58
  4. Step 4: Simplify right side
    8,171.42x = 70,466,850.10
  5. Step 5: Solve for x
    x = 70,466,850.10/8,171.42
  6. Step 6: Final answer
    x = 8,623.58

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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.