Home / 7,474.58-11,212.05-3,090.86

Finding the Fourth Proportional to 7,474.58, 11,212.05 and 3,090.86

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Solution

The fourth proportional to 7,474.58, 11,212.05 and 3,090.86 is: 4,636.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,474.58 : 11,212.05 = 3,090.86 : x
  2. Step 2: Convert to fraction form
    7,474.58/11,212.05 = 3,090.86/x
  3. Step 3: Cross multiply
    7,474.58x = 11,212.05 × 3,090.86
  4. Step 4: Simplify right side
    7,474.58x = 34,654,876.86
  5. Step 5: Solve for x
    x = 34,654,876.86/7,474.58
  6. Step 6: Final answer
    x = 4,636.36

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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.