Home / 7,431.42-11,145.27-3,272.46

Finding the Fourth Proportional to 7,431.42, 11,145.27 and 3,272.46

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Solution

The fourth proportional to 7,431.42, 11,145.27 and 3,272.46 is: 4,907.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,431.42 : 11,145.27 = 3,272.46 : x
  2. Step 2: Convert to fraction form
    7,431.42/11,145.27 = 3,272.46/x
  3. Step 3: Cross multiply
    7,431.42x = 11,145.27 × 3,272.46
  4. Step 4: Simplify right side
    7,431.42x = 36,472,450.26
  5. Step 5: Solve for x
    x = 36,472,450.26/7,431.42
  6. Step 6: Final answer
    x = 4,907.87

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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.