Home / 8,207.75-12,313.20-3,527.75

Finding the Fourth Proportional to 8,207.75, 12,313.20 and 3,527.75

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Solution

The fourth proportional to 8,207.75, 12,313.20 and 3,527.75 is: 5,292.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,207.75 : 12,313.20 = 3,527.75 : x
  2. Step 2: Convert to fraction form
    8,207.75/12,313.20 = 3,527.75/x
  3. Step 3: Cross multiply
    8,207.75x = 12,313.20 × 3,527.75
  4. Step 4: Simplify right side
    8,207.75x = 43,437,891.30
  5. Step 5: Solve for x
    x = 43,437,891.30/8,207.75
  6. Step 6: Final answer
    x = 5,292.30

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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.