Home / 9,218.09-13,828.40-2,976.03

Finding the Fourth Proportional to 9,218.09, 13,828.40 and 2,976.03

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Solution

The fourth proportional to 9,218.09, 13,828.40 and 2,976.03 is: 4,464.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,218.09 : 13,828.40 = 2,976.03 : x
  2. Step 2: Convert to fraction form
    9,218.09/13,828.40 = 2,976.03/x
  3. Step 3: Cross multiply
    9,218.09x = 13,828.40 × 2,976.03
  4. Step 4: Simplify right side
    9,218.09x = 41,153,733.25
  5. Step 5: Solve for x
    x = 41,153,733.25/9,218.09
  6. Step 6: Final answer
    x = 4,464.45

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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.