Home / 9,571.62-13,205.79-5,379.06

Finding the Fourth Proportional to 9,571.62, 13,205.79 and 5,379.06

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Solution

The fourth proportional to 9,571.62, 13,205.79 and 5,379.06 is: 7,421.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,571.62 : 13,205.79 = 5,379.06 : x
  2. Step 2: Convert to fraction form
    9,571.62/13,205.79 = 5,379.06/x
  3. Step 3: Cross multiply
    9,571.62x = 13,205.79 × 5,379.06
  4. Step 4: Simplify right side
    9,571.62x = 71,034,736.76
  5. Step 5: Solve for x
    x = 71,034,736.76/9,571.62
  6. Step 6: Final answer
    x = 7,421.39

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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.