Home / 7,674.38-11,511.64-2,480.26

Finding the Fourth Proportional to 7,674.38, 11,511.64 and 2,480.26

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Solution

The fourth proportional to 7,674.38, 11,511.64 and 2,480.26 is: 3,720.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,674.38 : 11,511.64 = 2,480.26 : x
  2. Step 2: Convert to fraction form
    7,674.38/11,511.64 = 2,480.26/x
  3. Step 3: Cross multiply
    7,674.38x = 11,511.64 × 2,480.26
  4. Step 4: Simplify right side
    7,674.38x = 28,551,860.23
  5. Step 5: Solve for x
    x = 28,551,860.23/7,674.38
  6. Step 6: Final answer
    x = 3,720.41

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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.