Home / 9,108.90-13,654.82-4,942.80

Finding the Fourth Proportional to 9,108.90, 13,654.82 and 4,942.80

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Solution

The fourth proportional to 9,108.90, 13,654.82 and 4,942.80 is: 7,409.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,108.90 : 13,654.82 = 4,942.80 : x
  2. Step 2: Convert to fraction form
    9,108.90/13,654.82 = 4,942.80/x
  3. Step 3: Cross multiply
    9,108.90x = 13,654.82 × 4,942.80
  4. Step 4: Simplify right side
    9,108.90x = 67,493,044.30
  5. Step 5: Solve for x
    x = 67,493,044.30/9,108.90
  6. Step 6: Final answer
    x = 7,409.57

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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.