Home / 7,421.46-11,133.45-3,722.82

Finding the Fourth Proportional to 7,421.46, 11,133.45 and 3,722.82

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Solution

The fourth proportional to 7,421.46, 11,133.45 and 3,722.82 is: 5,584.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,421.46 : 11,133.45 = 3,722.82 : x
  2. Step 2: Convert to fraction form
    7,421.46/11,133.45 = 3,722.82/x
  3. Step 3: Cross multiply
    7,421.46x = 11,133.45 × 3,722.82
  4. Step 4: Simplify right side
    7,421.46x = 41,447,830.33
  5. Step 5: Solve for x
    x = 41,447,830.33/7,421.46
  6. Step 6: Final answer
    x = 5,584.86

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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.