Home / 9,286.99-12,813.82-5,253.90

Finding the Fourth Proportional to 9,286.99, 12,813.82 and 5,253.90

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Solution

The fourth proportional to 9,286.99, 12,813.82 and 5,253.90 is: 7,249.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,286.99 : 12,813.82 = 5,253.90 : x
  2. Step 2: Convert to fraction form
    9,286.99/12,813.82 = 5,253.90/x
  3. Step 3: Cross multiply
    9,286.99x = 12,813.82 × 5,253.90
  4. Step 4: Simplify right side
    9,286.99x = 67,322,528.90
  5. Step 5: Solve for x
    x = 67,322,528.90/9,286.99
  6. Step 6: Final answer
    x = 7,249.12

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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.