Home / 6,638.31-9,160.34-3,843.99

Finding the Fourth Proportional to 6,638.31, 9,160.34 and 3,843.99

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Solution

The fourth proportional to 6,638.31, 9,160.34 and 3,843.99 is: 5,304.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,638.31 : 9,160.34 = 3,843.99 : x
  2. Step 2: Convert to fraction form
    6,638.31/9,160.34 = 3,843.99/x
  3. Step 3: Cross multiply
    6,638.31x = 9,160.34 × 3,843.99
  4. Step 4: Simplify right side
    6,638.31x = 35,212,236.14
  5. Step 5: Solve for x
    x = 35,212,236.14/6,638.31
  6. Step 6: Final answer
    x = 5,304.40

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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.