Home / 7,071.33-9,757.35-4,086.59

Finding the Fourth Proportional to 7,071.33, 9,757.35 and 4,086.59

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Solution

The fourth proportional to 7,071.33, 9,757.35 and 4,086.59 is: 5,638.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,071.33 : 9,757.35 = 4,086.59 : x
  2. Step 2: Convert to fraction form
    7,071.33/9,757.35 = 4,086.59/x
  3. Step 3: Cross multiply
    7,071.33x = 9,757.35 × 4,086.59
  4. Step 4: Simplify right side
    7,071.33x = 39,874,228.66
  5. Step 5: Solve for x
    x = 39,874,228.66/7,071.33
  6. Step 6: Final answer
    x = 5,638.86

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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.