Home / 8,209.45-11,317.73-6,191.94

Finding the Fourth Proportional to 8,209.45, 11,317.73 and 6,191.94

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Solution

The fourth proportional to 8,209.45, 11,317.73 and 6,191.94 is: 8,536.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,209.45 : 11,317.73 = 6,191.94 : x
  2. Step 2: Convert to fraction form
    8,209.45/11,317.73 = 6,191.94/x
  3. Step 3: Cross multiply
    8,209.45x = 11,317.73 × 6,191.94
  4. Step 4: Simplify right side
    8,209.45x = 70,078,716.58
  5. Step 5: Solve for x
    x = 70,078,716.58/8,209.45
  6. Step 6: Final answer
    x = 8,536.35

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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.