Home / 7,616.40-11,421.58-2,933.82

Finding the Fourth Proportional to 7,616.40, 11,421.58 and 2,933.82

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Solution

The fourth proportional to 7,616.40, 11,421.58 and 2,933.82 is: 4,399.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,616.40 : 11,421.58 = 2,933.82 : x
  2. Step 2: Convert to fraction form
    7,616.40/11,421.58 = 2,933.82/x
  3. Step 3: Cross multiply
    7,616.40x = 11,421.58 × 2,933.82
  4. Step 4: Simplify right side
    7,616.40x = 33,508,859.84
  5. Step 5: Solve for x
    x = 33,508,859.84/7,616.40
  6. Step 6: Final answer
    x = 4,399.57

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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.