Home / 7,830.88-11,744.49-3,666.92

Finding the Fourth Proportional to 7,830.88, 11,744.49 and 3,666.92

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Solution

The fourth proportional to 7,830.88, 11,744.49 and 3,666.92 is: 5,499.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,830.88 : 11,744.49 = 3,666.92 : x
  2. Step 2: Convert to fraction form
    7,830.88/11,744.49 = 3,666.92/x
  3. Step 3: Cross multiply
    7,830.88x = 11,744.49 × 3,666.92
  4. Step 4: Simplify right side
    7,830.88x = 43,066,126.36
  5. Step 5: Solve for x
    x = 43,066,126.36/7,830.88
  6. Step 6: Final answer
    x = 5,499.53

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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.