Home / 8,541.45-12,805.49-4,157.73

Finding the Fourth Proportional to 8,541.45, 12,805.49 and 4,157.73

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Solution

The fourth proportional to 8,541.45, 12,805.49 and 4,157.73 is: 6,233.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,541.45 : 12,805.49 = 4,157.73 : x
  2. Step 2: Convert to fraction form
    8,541.45/12,805.49 = 4,157.73/x
  3. Step 3: Cross multiply
    8,541.45x = 12,805.49 × 4,157.73
  4. Step 4: Simplify right side
    8,541.45x = 53,241,780.33
  5. Step 5: Solve for x
    x = 53,241,780.33/8,541.45
  6. Step 6: Final answer
    x = 6,233.34

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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.