Home / 7,829.10-11,740.19-3,670.56

Finding the Fourth Proportional to 7,829.10, 11,740.19 and 3,670.56

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Solution

The fourth proportional to 7,829.10, 11,740.19 and 3,670.56 is: 5,504.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,829.10 : 11,740.19 = 3,670.56 : x
  2. Step 2: Convert to fraction form
    7,829.10/11,740.19 = 3,670.56/x
  3. Step 3: Cross multiply
    7,829.10x = 11,740.19 × 3,670.56
  4. Step 4: Simplify right side
    7,829.10x = 43,093,053.45
  5. Step 5: Solve for x
    x = 43,093,053.45/7,829.10
  6. Step 6: Final answer
    x = 5,504.22

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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.