Home / 4,674.38-6,450.64-2,578.64

Finding the Fourth Proportional to 4,674.38, 6,450.64 and 2,578.64

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Solution

The fourth proportional to 4,674.38, 6,450.64 and 2,578.64 is: 3,558.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,674.38 : 6,450.64 = 2,578.64 : x
  2. Step 2: Convert to fraction form
    4,674.38/6,450.64 = 2,578.64/x
  3. Step 3: Cross multiply
    4,674.38x = 6,450.64 × 2,578.64
  4. Step 4: Simplify right side
    4,674.38x = 16,633,839.63
  5. Step 5: Solve for x
    x = 16,633,839.63/4,674.38
  6. Step 6: Final answer
    x = 3,558.52

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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.