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Finding the Fourth Proportional to 6,686.37, 9,227.26 and 3,702.37

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Solution

The fourth proportional to 6,686.37, 9,227.26 and 3,702.37 is: 5,109.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,686.37 : 9,227.26 = 3,702.37 : x
  2. Step 2: Convert to fraction form
    6,686.37/9,227.26 = 3,702.37/x
  3. Step 3: Cross multiply
    6,686.37x = 9,227.26 × 3,702.37
  4. Step 4: Simplify right side
    6,686.37x = 34,162,739.84
  5. Step 5: Solve for x
    x = 34,162,739.84/6,686.37
  6. Step 6: Final answer
    x = 5,109.31

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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.