Home / 8,326.62-11,491.29-4,790.70

Finding the Fourth Proportional to 8,326.62, 11,491.29 and 4,790.70

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Solution

The fourth proportional to 8,326.62, 11,491.29 and 4,790.70 is: 6,611.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,326.62 : 11,491.29 = 4,790.70 : x
  2. Step 2: Convert to fraction form
    8,326.62/11,491.29 = 4,790.70/x
  3. Step 3: Cross multiply
    8,326.62x = 11,491.29 × 4,790.70
  4. Step 4: Simplify right side
    8,326.62x = 55,051,323.00
  5. Step 5: Solve for x
    x = 55,051,323.00/8,326.62
  6. Step 6: Final answer
    x = 6,611.48

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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.