Home / 7,628.07-11,422.67-3,722.25

Finding the Fourth Proportional to 7,628.07, 11,422.67 and 3,722.25

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Solution

The fourth proportional to 7,628.07, 11,422.67 and 3,722.25 is: 5,573.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,628.07 : 11,422.67 = 3,722.25 : x
  2. Step 2: Convert to fraction form
    7,628.07/11,422.67 = 3,722.25/x
  3. Step 3: Cross multiply
    7,628.07x = 11,422.67 × 3,722.25
  4. Step 4: Simplify right side
    7,628.07x = 42,518,014.80
  5. Step 5: Solve for x
    x = 42,518,014.80/7,628.07
  6. Step 6: Final answer
    x = 5,573.89

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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.