Home / 7,538.88-11,299.68-2,605.44

Finding the Fourth Proportional to 7,538.88, 11,299.68 and 2,605.44

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Solution

The fourth proportional to 7,538.88, 11,299.68 and 2,605.44 is: 3,905.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,538.88 : 11,299.68 = 2,605.44 : x
  2. Step 2: Convert to fraction form
    7,538.88/11,299.68 = 2,605.44/x
  3. Step 3: Cross multiply
    7,538.88x = 11,299.68 × 2,605.44
  4. Step 4: Simplify right side
    7,538.88x = 29,440,638.26
  5. Step 5: Solve for x
    x = 29,440,638.26/7,538.88
  6. Step 6: Final answer
    x = 3,905.17

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1.5x scale

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.