Home / 8,428.90-11,634.20-4,893.25

Finding the Fourth Proportional to 8,428.90, 11,634.20 and 4,893.25

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Solution

The fourth proportional to 8,428.90, 11,634.20 and 4,893.25 is: 6,754.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,428.90 : 11,634.20 = 4,893.25 : x
  2. Step 2: Convert to fraction form
    8,428.90/11,634.20 = 4,893.25/x
  3. Step 3: Cross multiply
    8,428.90x = 11,634.20 × 4,893.25
  4. Step 4: Simplify right side
    8,428.90x = 56,929,049.15
  5. Step 5: Solve for x
    x = 56,929,049.15/8,428.90
  6. Step 6: Final answer
    x = 6,754.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.