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Finding the Fourth Proportional to 6,503.89, 8,975.37 and 3,519.73

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Solution

The fourth proportional to 6,503.89, 8,975.37 and 3,519.73 is: 4,857.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,503.89 : 8,975.37 = 3,519.73 : x
  2. Step 2: Convert to fraction form
    6,503.89/8,975.37 = 3,519.73/x
  3. Step 3: Cross multiply
    6,503.89x = 8,975.37 × 3,519.73
  4. Step 4: Simplify right side
    6,503.89x = 31,590,865.41
  5. Step 5: Solve for x
    x = 31,590,865.41/6,503.89
  6. Step 6: Final answer
    x = 4,857.22

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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.