Home / 8,342.90-11,517.37-4,805.43

Finding the Fourth Proportional to 8,342.90, 11,517.37 and 4,805.43

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Solution

The fourth proportional to 8,342.90, 11,517.37 and 4,805.43 is: 6,633.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,342.90 : 11,517.37 = 4,805.43 : x
  2. Step 2: Convert to fraction form
    8,342.90/11,517.37 = 4,805.43/x
  3. Step 3: Cross multiply
    8,342.90x = 11,517.37 × 4,805.43
  4. Step 4: Simplify right side
    8,342.90x = 55,345,903.31
  5. Step 5: Solve for x
    x = 55,345,903.31/8,342.90
  6. Step 6: Final answer
    x = 6,633.89

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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.