Home / 5,449.69-8,172.09-1,553.17

Finding the Fourth Proportional to 5,449.69, 8,172.09 and 1,553.17

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Solution

The fourth proportional to 5,449.69, 8,172.09 and 1,553.17 is: 2,329.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,449.69 : 8,172.09 = 1,553.17 : x
  2. Step 2: Convert to fraction form
    5,449.69/8,172.09 = 1,553.17/x
  3. Step 3: Cross multiply
    5,449.69x = 8,172.09 × 1,553.17
  4. Step 4: Simplify right side
    5,449.69x = 12,692,645.03
  5. Step 5: Solve for x
    x = 12,692,645.03/5,449.69
  6. Step 6: Final answer
    x = 2,329.06

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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.