Home / 8,425.35-12,628.80-3,491.82

Finding the Fourth Proportional to 8,425.35, 12,628.80 and 3,491.82

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Solution

The fourth proportional to 8,425.35, 12,628.80 and 3,491.82 is: 5,233.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,425.35 : 12,628.80 = 3,491.82 : x
  2. Step 2: Convert to fraction form
    8,425.35/12,628.80 = 3,491.82/x
  3. Step 3: Cross multiply
    8,425.35x = 12,628.80 × 3,491.82
  4. Step 4: Simplify right side
    8,425.35x = 44,097,496.42
  5. Step 5: Solve for x
    x = 44,097,496.42/8,425.35
  6. Step 6: Final answer
    x = 5,233.91

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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.