Home / 6,566.40-9,836.80-3,961.60

Finding the Fourth Proportional to 6,566.40, 9,836.80 and 3,961.60

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Solution

The fourth proportional to 6,566.40, 9,836.80 and 3,961.60 is: 5,934.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,566.40 : 9,836.80 = 3,961.60 : x
  2. Step 2: Convert to fraction form
    6,566.40/9,836.80 = 3,961.60/x
  3. Step 3: Cross multiply
    6,566.40x = 9,836.80 × 3,961.60
  4. Step 4: Simplify right side
    6,566.40x = 38,969,466.88
  5. Step 5: Solve for x
    x = 38,969,466.88/6,566.40
  6. Step 6: Final answer
    x = 5,934.68

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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.