Home / 6,687.12-9,228.48-3,702.96

Finding the Fourth Proportional to 6,687.12, 9,228.48 and 3,702.96

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Solution

The fourth proportional to 6,687.12, 9,228.48 and 3,702.96 is: 5,110.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,687.12 : 9,228.48 = 3,702.96 : x
  2. Step 2: Convert to fraction form
    6,687.12/9,228.48 = 3,702.96/x
  3. Step 3: Cross multiply
    6,687.12x = 9,228.48 × 3,702.96
  4. Step 4: Simplify right side
    6,687.12x = 34,172,692.30
  5. Step 5: Solve for x
    x = 34,172,692.30/6,687.12
  6. Step 6: Final answer
    x = 5,110.23

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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.