Home / 7,670.66-11,503.55-3,286.94

Finding the Fourth Proportional to 7,670.66, 11,503.55 and 3,286.94

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Solution

The fourth proportional to 7,670.66, 11,503.55 and 3,286.94 is: 4,929.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,670.66 : 11,503.55 = 3,286.94 : x
  2. Step 2: Convert to fraction form
    7,670.66/11,503.55 = 3,286.94/x
  3. Step 3: Cross multiply
    7,670.66x = 11,503.55 × 3,286.94
  4. Step 4: Simplify right side
    7,670.66x = 37,811,404.68
  5. Step 5: Solve for x
    x = 37,811,404.68/7,670.66
  6. Step 6: Final answer
    x = 4,929.36

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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.