Home / 6,825.64-9,418.62-3,842.50

Finding the Fourth Proportional to 6,825.64, 9,418.62 and 3,842.50

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Solution

The fourth proportional to 6,825.64, 9,418.62 and 3,842.50 is: 5,302.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,825.64 : 9,418.62 = 3,842.50 : x
  2. Step 2: Convert to fraction form
    6,825.64/9,418.62 = 3,842.50/x
  3. Step 3: Cross multiply
    6,825.64x = 9,418.62 × 3,842.50
  4. Step 4: Simplify right side
    6,825.64x = 36,191,047.35
  5. Step 5: Solve for x
    x = 36,191,047.35/6,825.64
  6. Step 6: Final answer
    x = 5,302.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.