Home / 8,516.46-12,770.37-3,895.50

Finding the Fourth Proportional to 8,516.46, 12,770.37 and 3,895.50

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Solution

The fourth proportional to 8,516.46, 12,770.37 and 3,895.50 is: 5,841.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,516.46 : 12,770.37 = 3,895.50 : x
  2. Step 2: Convert to fraction form
    8,516.46/12,770.37 = 3,895.50/x
  3. Step 3: Cross multiply
    8,516.46x = 12,770.37 × 3,895.50
  4. Step 4: Simplify right side
    8,516.46x = 49,746,976.34
  5. Step 5: Solve for x
    x = 49,746,976.34/8,516.46
  6. Step 6: Final answer
    x = 5,841.27

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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.