Home / 7,827.36-11,744.89-3,666.65

Finding the Fourth Proportional to 7,827.36, 11,744.89 and 3,666.65

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Solution

The fourth proportional to 7,827.36, 11,744.89 and 3,666.65 is: 5,501.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,827.36 : 11,744.89 = 3,666.65 : x
  2. Step 2: Convert to fraction form
    7,827.36/11,744.89 = 3,666.65/x
  3. Step 3: Cross multiply
    7,827.36x = 11,744.89 × 3,666.65
  4. Step 4: Simplify right side
    7,827.36x = 43,064,353.65
  5. Step 5: Solve for x
    x = 43,064,353.65/7,827.36
  6. Step 6: Final answer
    x = 5,501.78

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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.