Home / 4,268.88-6,399.48-2,210.64

Finding the Fourth Proportional to 4,268.88, 6,399.48 and 2,210.64

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Solution

The fourth proportional to 4,268.88, 6,399.48 and 2,210.64 is: 3,313.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,268.88 : 6,399.48 = 2,210.64 : x
  2. Step 2: Convert to fraction form
    4,268.88/6,399.48 = 2,210.64/x
  3. Step 3: Cross multiply
    4,268.88x = 6,399.48 × 2,210.64
  4. Step 4: Simplify right side
    4,268.88x = 14,146,946.47
  5. Step 5: Solve for x
    x = 14,146,946.47/4,268.88
  6. Step 6: Final answer
    x = 3,313.97

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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.