Home / 7,813.36-11,713.60-3,651.30

Finding the Fourth Proportional to 7,813.36, 11,713.60 and 3,651.30

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Solution

The fourth proportional to 7,813.36, 11,713.60 and 3,651.30 is: 5,473.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,813.36 : 11,713.60 = 3,651.30 : x
  2. Step 2: Convert to fraction form
    7,813.36/11,713.60 = 3,651.30/x
  3. Step 3: Cross multiply
    7,813.36x = 11,713.60 × 3,651.30
  4. Step 4: Simplify right side
    7,813.36x = 42,769,867.68
  5. Step 5: Solve for x
    x = 42,769,867.68/7,813.36
  6. Step 6: Final answer
    x = 5,473.94

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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.