Home / 4,528.58-6,249.78-2,640.74

Finding the Fourth Proportional to 4,528.58, 6,249.78 and 2,640.74

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Solution

The fourth proportional to 4,528.58, 6,249.78 and 2,640.74 is: 3,644.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,528.58 : 6,249.78 = 2,640.74 : x
  2. Step 2: Convert to fraction form
    4,528.58/6,249.78 = 2,640.74/x
  3. Step 3: Cross multiply
    4,528.58x = 6,249.78 × 2,640.74
  4. Step 4: Simplify right side
    4,528.58x = 16,504,044.04
  5. Step 5: Solve for x
    x = 16,504,044.04/4,528.58
  6. Step 6: Final answer
    x = 3,644.42

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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.