Home / 7,753.12-11,636.43-4,428.03

Finding the Fourth Proportional to 7,753.12, 11,636.43 and 4,428.03

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Solution

The fourth proportional to 7,753.12, 11,636.43 and 4,428.03 is: 6,645.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,753.12 : 11,636.43 = 4,428.03 : x
  2. Step 2: Convert to fraction form
    7,753.12/11,636.43 = 4,428.03/x
  3. Step 3: Cross multiply
    7,753.12x = 11,636.43 × 4,428.03
  4. Step 4: Simplify right side
    7,753.12x = 51,526,461.13
  5. Step 5: Solve for x
    x = 51,526,461.13/7,753.12
  6. Step 6: Final answer
    x = 6,645.90

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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.