Home / 8,326.35-11,490.71-4,789.56

Finding the Fourth Proportional to 8,326.35, 11,490.71 and 4,789.56

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Solution

The fourth proportional to 8,326.35, 11,490.71 and 4,789.56 is: 6,609.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,326.35 : 11,490.71 = 4,789.56 : x
  2. Step 2: Convert to fraction form
    8,326.35/11,490.71 = 4,789.56/x
  3. Step 3: Cross multiply
    8,326.35x = 11,490.71 × 4,789.56
  4. Step 4: Simplify right side
    8,326.35x = 55,035,444.99
  5. Step 5: Solve for x
    x = 55,035,444.99/8,326.35
  6. Step 6: Final answer
    x = 6,609.79

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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.