Home / 8,213.09-12,318.42-3,017.75

Finding the Fourth Proportional to 8,213.09, 12,318.42 and 3,017.75

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Solution

The fourth proportional to 8,213.09, 12,318.42 and 3,017.75 is: 4,526.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,213.09 : 12,318.42 = 3,017.75 : x
  2. Step 2: Convert to fraction form
    8,213.09/12,318.42 = 3,017.75/x
  3. Step 3: Cross multiply
    8,213.09x = 12,318.42 × 3,017.75
  4. Step 4: Simplify right side
    8,213.09x = 37,173,911.96
  5. Step 5: Solve for x
    x = 37,173,911.96/8,213.09
  6. Step 6: Final answer
    x = 4,526.18

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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.