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Finding the Fourth Proportional to 4,328.64, 5,965.92 and 3,447.36

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Solution

The fourth proportional to 4,328.64, 5,965.92 and 3,447.36 is: 4,751.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,328.64 : 5,965.92 = 3,447.36 : x
  2. Step 2: Convert to fraction form
    4,328.64/5,965.92 = 3,447.36/x
  3. Step 3: Cross multiply
    4,328.64x = 5,965.92 × 3,447.36
  4. Step 4: Simplify right side
    4,328.64x = 20,566,673.97
  5. Step 5: Solve for x
    x = 20,566,673.97/4,328.64
  6. Step 6: Final answer
    x = 4,751.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.