Home / 8,336.21-12,507.77-3,653.80

Finding the Fourth Proportional to 8,336.21, 12,507.77 and 3,653.80

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Solution

The fourth proportional to 8,336.21, 12,507.77 and 3,653.80 is: 5,482.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,336.21 : 12,507.77 = 3,653.80 : x
  2. Step 2: Convert to fraction form
    8,336.21/12,507.77 = 3,653.80/x
  3. Step 3: Cross multiply
    8,336.21x = 12,507.77 × 3,653.80
  4. Step 4: Simplify right side
    8,336.21x = 45,700,890.03
  5. Step 5: Solve for x
    x = 45,700,890.03/8,336.21
  6. Step 6: Final answer
    x = 5,482.21

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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.