Home / 8,734.14-13,103.10-2,890.80

Finding the Fourth Proportional to 8,734.14, 13,103.10 and 2,890.80

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Solution

The fourth proportional to 8,734.14, 13,103.10 and 2,890.80 is: 4,336.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,734.14 : 13,103.10 = 2,890.80 : x
  2. Step 2: Convert to fraction form
    8,734.14/13,103.10 = 2,890.80/x
  3. Step 3: Cross multiply
    8,734.14x = 13,103.10 × 2,890.80
  4. Step 4: Simplify right side
    8,734.14x = 37,878,441.48
  5. Step 5: Solve for x
    x = 37,878,441.48/8,734.14
  6. Step 6: Final answer
    x = 4,336.83

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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.