Home / 4,919.34-6,789.75-2,824.62

Finding the Fourth Proportional to 4,919.34, 6,789.75 and 2,824.62

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Solution

The fourth proportional to 4,919.34, 6,789.75 and 2,824.62 is: 3,898.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,919.34 : 6,789.75 = 2,824.62 : x
  2. Step 2: Convert to fraction form
    4,919.34/6,789.75 = 2,824.62/x
  3. Step 3: Cross multiply
    4,919.34x = 6,789.75 × 2,824.62
  4. Step 4: Simplify right side
    4,919.34x = 19,178,463.65
  5. Step 5: Solve for x
    x = 19,178,463.65/4,919.34
  6. Step 6: Final answer
    x = 3,898.58

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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.