Home / 5,516.15-8,271.60-2,005.70

Finding the Fourth Proportional to 5,516.15, 8,271.60 and 2,005.70

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Solution

The fourth proportional to 5,516.15, 8,271.60 and 2,005.70 is: 3,007.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,516.15 : 8,271.60 = 2,005.70 : x
  2. Step 2: Convert to fraction form
    5,516.15/8,271.60 = 2,005.70/x
  3. Step 3: Cross multiply
    5,516.15x = 8,271.60 × 2,005.70
  4. Step 4: Simplify right side
    5,516.15x = 16,590,348.12
  5. Step 5: Solve for x
    x = 16,590,348.12/5,516.15
  6. Step 6: Final answer
    x = 3,007.60

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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.