Home / 4,629.39-6,388.64-3,305.35

Finding the Fourth Proportional to 4,629.39, 6,388.64 and 3,305.35

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Solution

The fourth proportional to 4,629.39, 6,388.64 and 3,305.35 is: 4,561.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,629.39 : 6,388.64 = 3,305.35 : x
  2. Step 2: Convert to fraction form
    4,629.39/6,388.64 = 3,305.35/x
  3. Step 3: Cross multiply
    4,629.39x = 6,388.64 × 3,305.35
  4. Step 4: Simplify right side
    4,629.39x = 21,116,642.75
  5. Step 5: Solve for x
    x = 21,116,642.75/4,629.39
  6. Step 6: Final answer
    x = 4,561.43

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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.