Home / 5,516.08-7,611.57-3,158.68

Finding the Fourth Proportional to 5,516.08, 7,611.57 and 3,158.68

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Solution

The fourth proportional to 5,516.08, 7,611.57 and 3,158.68 is: 4,358.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,516.08 : 7,611.57 = 3,158.68 : x
  2. Step 2: Convert to fraction form
    5,516.08/7,611.57 = 3,158.68/x
  3. Step 3: Cross multiply
    5,516.08x = 7,611.57 × 3,158.68
  4. Step 4: Simplify right side
    5,516.08x = 24,042,513.93
  5. Step 5: Solve for x
    x = 24,042,513.93/5,516.08
  6. Step 6: Final answer
    x = 4,358.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.