Home / 7,609.68-11,416.32-2,415.56

Finding the Fourth Proportional to 7,609.68, 11,416.32 and 2,415.56

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Solution

The fourth proportional to 7,609.68, 11,416.32 and 2,415.56 is: 3,623.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,609.68 : 11,416.32 = 2,415.56 : x
  2. Step 2: Convert to fraction form
    7,609.68/11,416.32 = 2,415.56/x
  3. Step 3: Cross multiply
    7,609.68x = 11,416.32 × 2,415.56
  4. Step 4: Simplify right side
    7,609.68x = 27,576,805.94
  5. Step 5: Solve for x
    x = 27,576,805.94/7,609.68
  6. Step 6: Final answer
    x = 3,623.91

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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.