Home / 7,671.90-11,504.94-2,740.62

Finding the Fourth Proportional to 7,671.90, 11,504.94 and 2,740.62

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Solution

The fourth proportional to 7,671.90, 11,504.94 and 2,740.62 is: 4,109.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,671.90 : 11,504.94 = 2,740.62 : x
  2. Step 2: Convert to fraction form
    7,671.90/11,504.94 = 2,740.62/x
  3. Step 3: Cross multiply
    7,671.90x = 11,504.94 × 2,740.62
  4. Step 4: Simplify right side
    7,671.90x = 31,530,668.66
  5. Step 5: Solve for x
    x = 31,530,668.66/7,671.90
  6. Step 6: Final answer
    x = 4,109.89

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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.