Home / 6,276.20-9,421.34-3,969

Finding the Fourth Proportional to 6,276.20, 9,421.34 and 3,969

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Solution

The fourth proportional to 6,276.20, 9,421.34 and 3,969 is: 5,957.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,276.20 : 9,421.34 = 3,969 : x
  2. Step 2: Convert to fraction form
    6,276.20/9,421.34 = 3,969/x
  3. Step 3: Cross multiply
    6,276.20x = 9,421.34 × 3,969
  4. Step 4: Simplify right side
    6,276.20x = 37,393,298.46
  5. Step 5: Solve for x
    x = 37,393,298.46/6,276.20
  6. Step 6: Final answer
    x = 5,957.95

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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.