Home / 8,516.42-12,772.59-2,672.26

Finding the Fourth Proportional to 8,516.42, 12,772.59 and 2,672.26

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Solution

The fourth proportional to 8,516.42, 12,772.59 and 2,672.26 is: 4,007.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,516.42 : 12,772.59 = 2,672.26 : x
  2. Step 2: Convert to fraction form
    8,516.42/12,772.59 = 2,672.26/x
  3. Step 3: Cross multiply
    8,516.42x = 12,772.59 × 2,672.26
  4. Step 4: Simplify right side
    8,516.42x = 34,131,681.35
  5. Step 5: Solve for x
    x = 34,131,681.35/8,516.42
  6. Step 6: Final answer
    x = 4,007.75

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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.