Home / 7,634.96-11,455.80-4,120.92

Finding the Fourth Proportional to 7,634.96, 11,455.80 and 4,120.92

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Solution

The fourth proportional to 7,634.96, 11,455.80 and 4,120.92 is: 6,183.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,634.96 : 11,455.80 = 4,120.92 : x
  2. Step 2: Convert to fraction form
    7,634.96/11,455.80 = 4,120.92/x
  3. Step 3: Cross multiply
    7,634.96x = 11,455.80 × 4,120.92
  4. Step 4: Simplify right side
    7,634.96x = 47,208,435.34
  5. Step 5: Solve for x
    x = 47,208,435.34/7,634.96
  6. Step 6: Final answer
    x = 6,183.19

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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.