Home / 4,262.24-6,380.16-2,309.60

Finding the Fourth Proportional to 4,262.24, 6,380.16 and 2,309.60

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Solution

The fourth proportional to 4,262.24, 6,380.16 and 2,309.60 is: 3,457.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,262.24 : 6,380.16 = 2,309.60 : x
  2. Step 2: Convert to fraction form
    4,262.24/6,380.16 = 2,309.60/x
  3. Step 3: Cross multiply
    4,262.24x = 6,380.16 × 2,309.60
  4. Step 4: Simplify right side
    4,262.24x = 14,735,617.54
  5. Step 5: Solve for x
    x = 14,735,617.54/4,262.24
  6. Step 6: Final answer
    x = 3,457.25

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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.