Home / 8,453.56-12,683.58-3,521.88

Finding the Fourth Proportional to 8,453.56, 12,683.58 and 3,521.88

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Solution

The fourth proportional to 8,453.56, 12,683.58 and 3,521.88 is: 5,284.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,453.56 : 12,683.58 = 3,521.88 : x
  2. Step 2: Convert to fraction form
    8,453.56/12,683.58 = 3,521.88/x
  3. Step 3: Cross multiply
    8,453.56x = 12,683.58 × 3,521.88
  4. Step 4: Simplify right side
    8,453.56x = 44,670,046.73
  5. Step 5: Solve for x
    x = 44,670,046.73/8,453.56
  6. Step 6: Final answer
    x = 5,284.17

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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.