Home / 9,622.40-14,422.64-4,072.28

Finding the Fourth Proportional to 9,622.40, 14,422.64 and 4,072.28

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Solution

The fourth proportional to 9,622.40, 14,422.64 and 4,072.28 is: 6,103.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,622.40 : 14,422.64 = 4,072.28 : x
  2. Step 2: Convert to fraction form
    9,622.40/14,422.64 = 4,072.28/x
  3. Step 3: Cross multiply
    9,622.40x = 14,422.64 × 4,072.28
  4. Step 4: Simplify right side
    9,622.40x = 58,732,935.94
  5. Step 5: Solve for x
    x = 58,732,935.94/9,622.40
  6. Step 6: Final answer
    x = 6,103.78

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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.