Home / 7,379.45-11,069.83-2,449.13

Finding the Fourth Proportional to 7,379.45, 11,069.83 and 2,449.13

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Solution

The fourth proportional to 7,379.45, 11,069.83 and 2,449.13 is: 3,673.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,379.45 : 11,069.83 = 2,449.13 : x
  2. Step 2: Convert to fraction form
    7,379.45/11,069.83 = 2,449.13/x
  3. Step 3: Cross multiply
    7,379.45x = 11,069.83 × 2,449.13
  4. Step 4: Simplify right side
    7,379.45x = 27,111,412.83
  5. Step 5: Solve for x
    x = 27,111,412.83/7,379.45
  6. Step 6: Final answer
    x = 3,673.91

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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.