Home / 7,243.90-9,996.88-4,450.30

Finding the Fourth Proportional to 7,243.90, 9,996.88 and 4,450.30

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Solution

The fourth proportional to 7,243.90, 9,996.88 and 4,450.30 is: 6,141.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,243.90 : 9,996.88 = 4,450.30 : x
  2. Step 2: Convert to fraction form
    7,243.90/9,996.88 = 4,450.30/x
  3. Step 3: Cross multiply
    7,243.90x = 9,996.88 × 4,450.30
  4. Step 4: Simplify right side
    7,243.90x = 44,489,115.06
  5. Step 5: Solve for x
    x = 44,489,115.06/7,243.90
  6. Step 6: Final answer
    x = 6,141.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.