Home / 7,380.09-11,064.11-3,433.82

Finding the Fourth Proportional to 7,380.09, 11,064.11 and 3,433.82

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Solution

The fourth proportional to 7,380.09, 11,064.11 and 3,433.82 is: 5,147.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,380.09 : 11,064.11 = 3,433.82 : x
  2. Step 2: Convert to fraction form
    7,380.09/11,064.11 = 3,433.82/x
  3. Step 3: Cross multiply
    7,380.09x = 11,064.11 × 3,433.82
  4. Step 4: Simplify right side
    7,380.09x = 37,992,089.71
  5. Step 5: Solve for x
    x = 37,992,089.71/7,380.09
  6. Step 6: Final answer
    x = 5,147.92

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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.