Home / 8,684.08-13,023.38-3,136.70

Finding the Fourth Proportional to 8,684.08, 13,023.38 and 3,136.70

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Solution

The fourth proportional to 8,684.08, 13,023.38 and 3,136.70 is: 4,704.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,684.08 : 13,023.38 = 3,136.70 : x
  2. Step 2: Convert to fraction form
    8,684.08/13,023.38 = 3,136.70/x
  3. Step 3: Cross multiply
    8,684.08x = 13,023.38 × 3,136.70
  4. Step 4: Simplify right side
    8,684.08x = 40,850,436.05
  5. Step 5: Solve for x
    x = 40,850,436.05/8,684.08
  6. Step 6: Final answer
    x = 4,704.06

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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.