Home / 8,238.41-11,369.82-4,702.15

Finding the Fourth Proportional to 8,238.41, 11,369.82 and 4,702.15

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Solution

The fourth proportional to 8,238.41, 11,369.82 and 4,702.15 is: 6,489.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,238.41 : 11,369.82 = 4,702.15 : x
  2. Step 2: Convert to fraction form
    8,238.41/11,369.82 = 4,702.15/x
  3. Step 3: Cross multiply
    8,238.41x = 11,369.82 × 4,702.15
  4. Step 4: Simplify right side
    8,238.41x = 53,462,604.51
  5. Step 5: Solve for x
    x = 53,462,604.51/8,238.41
  6. Step 6: Final answer
    x = 6,489.43

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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.