Home / 7,382.43-11,071.75-2,187.09

Finding the Fourth Proportional to 7,382.43, 11,071.75 and 2,187.09

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Solution

The fourth proportional to 7,382.43, 11,071.75 and 2,187.09 is: 3,280.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,382.43 : 11,071.75 = 2,187.09 : x
  2. Step 2: Convert to fraction form
    7,382.43/11,071.75 = 2,187.09/x
  3. Step 3: Cross multiply
    7,382.43x = 11,071.75 × 2,187.09
  4. Step 4: Simplify right side
    7,382.43x = 24,214,847.41
  5. Step 5: Solve for x
    x = 24,214,847.41/7,382.43
  6. Step 6: Final answer
    x = 3,280.07

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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.