Home / 9,209.40-13,812.52-2,634.08

Finding the Fourth Proportional to 9,209.40, 13,812.52 and 2,634.08

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Solution

The fourth proportional to 9,209.40, 13,812.52 and 2,634.08 is: 3,950.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,209.40 : 13,812.52 = 2,634.08 : x
  2. Step 2: Convert to fraction form
    9,209.40/13,812.52 = 2,634.08/x
  3. Step 3: Cross multiply
    9,209.40x = 13,812.52 × 2,634.08
  4. Step 4: Simplify right side
    9,209.40x = 36,383,282.68
  5. Step 5: Solve for x
    x = 36,383,282.68/9,209.40
  6. Step 6: Final answer
    x = 3,950.67

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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.