Home / 8,184.47-12,282.09-4,489.30

Finding the Fourth Proportional to 8,184.47, 12,282.09 and 4,489.30

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Solution

The fourth proportional to 8,184.47, 12,282.09 and 4,489.30 is: 6,736.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,184.47 : 12,282.09 = 4,489.30 : x
  2. Step 2: Convert to fraction form
    8,184.47/12,282.09 = 4,489.30/x
  3. Step 3: Cross multiply
    8,184.47x = 12,282.09 × 4,489.30
  4. Step 4: Simplify right side
    8,184.47x = 55,137,902.78
  5. Step 5: Solve for x
    x = 55,137,902.78/8,184.47
  6. Step 6: Final answer
    x = 6,736.89

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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.