Home / 8,344.40-12,516.46-2,104.28

Finding the Fourth Proportional to 8,344.40, 12,516.46 and 2,104.28

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Solution

The fourth proportional to 8,344.40, 12,516.46 and 2,104.28 is: 3,156.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,344.40 : 12,516.46 = 2,104.28 : x
  2. Step 2: Convert to fraction form
    8,344.40/12,516.46 = 2,104.28/x
  3. Step 3: Cross multiply
    8,344.40x = 12,516.46 × 2,104.28
  4. Step 4: Simplify right side
    8,344.40x = 26,338,136.45
  5. Step 5: Solve for x
    x = 26,338,136.45/8,344.40
  6. Step 6: Final answer
    x = 3,156.38

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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.