Home / 8,326.19-11,490.66-4,789.53

Finding the Fourth Proportional to 8,326.19, 11,490.66 and 4,789.53

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Solution

The fourth proportional to 8,326.19, 11,490.66 and 4,789.53 is: 6,609.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,326.19 : 11,490.66 = 4,789.53 : x
  2. Step 2: Convert to fraction form
    8,326.19/11,490.66 = 4,789.53/x
  3. Step 3: Cross multiply
    8,326.19x = 11,490.66 × 4,789.53
  4. Step 4: Simplify right side
    8,326.19x = 55,034,860.79
  5. Step 5: Solve for x
    x = 55,034,860.79/8,326.19
  6. Step 6: Final answer
    x = 6,609.85

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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.