Home / 8,630.25-12,938.35-2,704.09

Finding the Fourth Proportional to 8,630.25, 12,938.35 and 2,704.09

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Solution

The fourth proportional to 8,630.25, 12,938.35 and 2,704.09 is: 4,053.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,630.25 : 12,938.35 = 2,704.09 : x
  2. Step 2: Convert to fraction form
    8,630.25/12,938.35 = 2,704.09/x
  3. Step 3: Cross multiply
    8,630.25x = 12,938.35 × 2,704.09
  4. Step 4: Simplify right side
    8,630.25x = 34,986,462.85
  5. Step 5: Solve for x
    x = 34,986,462.85/8,630.25
  6. Step 6: Final answer
    x = 4,053.93

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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.