Home / 8,243.90-11,380.53-4,706.43

Finding the Fourth Proportional to 8,243.90, 11,380.53 and 4,706.43

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Solution

The fourth proportional to 8,243.90, 11,380.53 and 4,706.43 is: 6,497.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,243.90 : 11,380.53 = 4,706.43 : x
  2. Step 2: Convert to fraction form
    8,243.90/11,380.53 = 4,706.43/x
  3. Step 3: Cross multiply
    8,243.90x = 11,380.53 × 4,706.43
  4. Step 4: Simplify right side
    8,243.90x = 53,561,644.28
  5. Step 5: Solve for x
    x = 53,561,644.28/8,243.90
  6. Step 6: Final answer
    x = 6,497.12

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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.