Home / 6,835.54-9,431.16-3,851.20

Finding the Fourth Proportional to 6,835.54, 9,431.16 and 3,851.20

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Solution

The fourth proportional to 6,835.54, 9,431.16 and 3,851.20 is: 5,313.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,835.54 : 9,431.16 = 3,851.20 : x
  2. Step 2: Convert to fraction form
    6,835.54/9,431.16 = 3,851.20/x
  3. Step 3: Cross multiply
    6,835.54x = 9,431.16 × 3,851.20
  4. Step 4: Simplify right side
    6,835.54x = 36,321,283.39
  5. Step 5: Solve for x
    x = 36,321,283.39/6,835.54
  6. Step 6: Final answer
    x = 5,313.59

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1.5x scale

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.