Home / 5,112.12-7,666.29-1,824.33

Finding the Fourth Proportional to 5,112.12, 7,666.29 and 1,824.33

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Solution

The fourth proportional to 5,112.12, 7,666.29 and 1,824.33 is: 2,735.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,112.12 : 7,666.29 = 1,824.33 : x
  2. Step 2: Convert to fraction form
    5,112.12/7,666.29 = 1,824.33/x
  3. Step 3: Cross multiply
    5,112.12x = 7,666.29 × 1,824.33
  4. Step 4: Simplify right side
    5,112.12x = 13,985,842.84
  5. Step 5: Solve for x
    x = 13,985,842.84/5,112.12
  6. Step 6: Final answer
    x = 2,735.82

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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.