Home / 8,326.18-11,489.81-4,790.53

Finding the Fourth Proportional to 8,326.18, 11,489.81 and 4,790.53

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Solution

The fourth proportional to 8,326.18, 11,489.81 and 4,790.53 is: 6,610.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,326.18 : 11,489.81 = 4,790.53 : x
  2. Step 2: Convert to fraction form
    8,326.18/11,489.81 = 4,790.53/x
  3. Step 3: Cross multiply
    8,326.18x = 11,489.81 × 4,790.53
  4. Step 4: Simplify right side
    8,326.18x = 55,042,279.50
  5. Step 5: Solve for x
    x = 55,042,279.50/8,326.18
  6. Step 6: Final answer
    x = 6,610.75

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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.