Home / 7,090.60-10,636.62-2,711.74

Finding the Fourth Proportional to 7,090.60, 10,636.62 and 2,711.74

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Solution

The fourth proportional to 7,090.60, 10,636.62 and 2,711.74 is: 4,067.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,090.60 : 10,636.62 = 2,711.74 : x
  2. Step 2: Convert to fraction form
    7,090.60/10,636.62 = 2,711.74/x
  3. Step 3: Cross multiply
    7,090.60x = 10,636.62 × 2,711.74
  4. Step 4: Simplify right side
    7,090.60x = 28,843,747.92
  5. Step 5: Solve for x
    x = 28,843,747.92/7,090.60
  6. Step 6: Final answer
    x = 4,067.89

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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.