Home / 8,516.10-12,775.43-2,672.13

Finding the Fourth Proportional to 8,516.10, 12,775.43 and 2,672.13

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Solution

The fourth proportional to 8,516.10, 12,775.43 and 2,672.13 is: 4,008.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,516.10 : 12,775.43 = 2,672.13 : x
  2. Step 2: Convert to fraction form
    8,516.10/12,775.43 = 2,672.13/x
  3. Step 3: Cross multiply
    8,516.10x = 12,775.43 × 2,672.13
  4. Step 4: Simplify right side
    8,516.10x = 34,137,609.77
  5. Step 5: Solve for x
    x = 34,137,609.77/8,516.10
  6. Step 6: Final answer
    x = 4,008.60

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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.