Home / 7,674.39-11,513.40-2,480.25

Finding the Fourth Proportional to 7,674.39, 11,513.40 and 2,480.25

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Solution

The fourth proportional to 7,674.39, 11,513.40 and 2,480.25 is: 3,720.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,674.39 : 11,513.40 = 2,480.25 : x
  2. Step 2: Convert to fraction form
    7,674.39/11,513.40 = 2,480.25/x
  3. Step 3: Cross multiply
    7,674.39x = 11,513.40 × 2,480.25
  4. Step 4: Simplify right side
    7,674.39x = 28,556,110.35
  5. Step 5: Solve for x
    x = 28,556,110.35/7,674.39
  6. Step 6: Final answer
    x = 3,720.96

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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.