Home / 9,218.80-13,818.75-3,664.63

Finding the Fourth Proportional to 9,218.80, 13,818.75 and 3,664.63

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Solution

The fourth proportional to 9,218.80, 13,818.75 and 3,664.63 is: 5,493.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,218.80 : 13,818.75 = 3,664.63 : x
  2. Step 2: Convert to fraction form
    9,218.80/13,818.75 = 3,664.63/x
  3. Step 3: Cross multiply
    9,218.80x = 13,818.75 × 3,664.63
  4. Step 4: Simplify right side
    9,218.80x = 50,640,605.81
  5. Step 5: Solve for x
    x = 50,640,605.81/9,218.80
  6. Step 6: Final answer
    x = 5,493.19

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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.