Home / 6,301.20-9,451.80-3,968.40

Finding the Fourth Proportional to 6,301.20, 9,451.80 and 3,968.40

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Solution

The fourth proportional to 6,301.20, 9,451.80 and 3,968.40 is: 5,952.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,301.20 : 9,451.80 = 3,968.40 : x
  2. Step 2: Convert to fraction form
    6,301.20/9,451.80 = 3,968.40/x
  3. Step 3: Cross multiply
    6,301.20x = 9,451.80 × 3,968.40
  4. Step 4: Simplify right side
    6,301.20x = 37,508,523.12
  5. Step 5: Solve for x
    x = 37,508,523.12/6,301.20
  6. Step 6: Final answer
    x = 5,952.60

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1.5x scale

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.