Home / 6,156.26-8,493.79-3,638.60

Finding the Fourth Proportional to 6,156.26, 8,493.79 and 3,638.60

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Solution

The fourth proportional to 6,156.26, 8,493.79 and 3,638.60 is: 5,020.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,156.26 : 8,493.79 = 3,638.60 : x
  2. Step 2: Convert to fraction form
    6,156.26/8,493.79 = 3,638.60/x
  3. Step 3: Cross multiply
    6,156.26x = 8,493.79 × 3,638.60
  4. Step 4: Simplify right side
    6,156.26x = 30,905,504.29
  5. Step 5: Solve for x
    x = 30,905,504.29/6,156.26
  6. Step 6: Final answer
    x = 5,020.18

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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.