Home / 7,622.04-11,433.30-2,431.80

Finding the Fourth Proportional to 7,622.04, 11,433.30 and 2,431.80

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Solution

The fourth proportional to 7,622.04, 11,433.30 and 2,431.80 is: 3,647.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,622.04 : 11,433.30 = 2,431.80 : x
  2. Step 2: Convert to fraction form
    7,622.04/11,433.30 = 2,431.80/x
  3. Step 3: Cross multiply
    7,622.04x = 11,433.30 × 2,431.80
  4. Step 4: Simplify right side
    7,622.04x = 27,803,498.94
  5. Step 5: Solve for x
    x = 27,803,498.94/7,622.04
  6. Step 6: Final answer
    x = 3,647.78

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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.