Home / 6,835.47-9,431.30-3,851.31

Finding the Fourth Proportional to 6,835.47, 9,431.30 and 3,851.31

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Solution

The fourth proportional to 6,835.47, 9,431.30 and 3,851.31 is: 5,313.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,835.47 : 9,431.30 = 3,851.31 : x
  2. Step 2: Convert to fraction form
    6,835.47/9,431.30 = 3,851.31/x
  3. Step 3: Cross multiply
    6,835.47x = 9,431.30 × 3,851.31
  4. Step 4: Simplify right side
    6,835.47x = 36,322,840.75
  5. Step 5: Solve for x
    x = 36,322,840.75/6,835.47
  6. Step 6: Final answer
    x = 5,313.88

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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.