Home / 7,382.41-11,064.26-3,221.30

Finding the Fourth Proportional to 7,382.41, 11,064.26 and 3,221.30

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Solution

The fourth proportional to 7,382.41, 11,064.26 and 3,221.30 is: 4,827.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,382.41 : 11,064.26 = 3,221.30 : x
  2. Step 2: Convert to fraction form
    7,382.41/11,064.26 = 3,221.30/x
  3. Step 3: Cross multiply
    7,382.41x = 11,064.26 × 3,221.30
  4. Step 4: Simplify right side
    7,382.41x = 35,641,336.45
  5. Step 5: Solve for x
    x = 35,641,336.45/7,382.41
  6. Step 6: Final answer
    x = 4,827.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.