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Finding the Fourth Proportional to 6,836.88, 9,434.90 and 3,693.07

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Solution

The fourth proportional to 6,836.88, 9,434.90 and 3,693.07 is: 5,096.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,836.88 : 9,434.90 = 3,693.07 : x
  2. Step 2: Convert to fraction form
    6,836.88/9,434.90 = 3,693.07/x
  3. Step 3: Cross multiply
    6,836.88x = 9,434.90 × 3,693.07
  4. Step 4: Simplify right side
    6,836.88x = 34,843,746.14
  5. Step 5: Solve for x
    x = 34,843,746.14/6,836.88
  6. Step 6: Final answer
    x = 5,096.44

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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.