Home / 8,238.75-11,369.66-4,702.29

Finding the Fourth Proportional to 8,238.75, 11,369.66 and 4,702.29

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Solution

The fourth proportional to 8,238.75, 11,369.66 and 4,702.29 is: 6,489.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,238.75 : 11,369.66 = 4,702.29 : x
  2. Step 2: Convert to fraction form
    8,238.75/11,369.66 = 4,702.29/x
  3. Step 3: Cross multiply
    8,238.75x = 11,369.66 × 4,702.29
  4. Step 4: Simplify right side
    8,238.75x = 53,463,438.52
  5. Step 5: Solve for x
    x = 53,463,438.52/8,238.75
  6. Step 6: Final answer
    x = 6,489.27

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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.