Home / 4,561.39-6,285.41-3,145.51

Finding the Fourth Proportional to 4,561.39, 6,285.41 and 3,145.51

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Solution

The fourth proportional to 4,561.39, 6,285.41 and 3,145.51 is: 4,334.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,561.39 : 6,285.41 = 3,145.51 : x
  2. Step 2: Convert to fraction form
    4,561.39/6,285.41 = 3,145.51/x
  3. Step 3: Cross multiply
    4,561.39x = 6,285.41 × 3,145.51
  4. Step 4: Simplify right side
    4,561.39x = 19,770,788.58
  5. Step 5: Solve for x
    x = 19,770,788.58/4,561.39
  6. Step 6: Final answer
    x = 4,334.38

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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.