Home / 7,704.21-10,631.89-4,519.39

Finding the Fourth Proportional to 7,704.21, 10,631.89 and 4,519.39

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Solution

The fourth proportional to 7,704.21, 10,631.89 and 4,519.39 is: 6,236.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,704.21 : 10,631.89 = 4,519.39 : x
  2. Step 2: Convert to fraction form
    7,704.21/10,631.89 = 4,519.39/x
  3. Step 3: Cross multiply
    7,704.21x = 10,631.89 × 4,519.39
  4. Step 4: Simplify right side
    7,704.21x = 48,049,657.35
  5. Step 5: Solve for x
    x = 48,049,657.35/7,704.21
  6. Step 6: Final answer
    x = 6,236.81

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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.