Home / 4,920.42-6,789.70-2,824.14

Finding the Fourth Proportional to 4,920.42, 6,789.70 and 2,824.14

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Solution

The fourth proportional to 4,920.42, 6,789.70 and 2,824.14 is: 3,897.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,920.42 : 6,789.70 = 2,824.14 : x
  2. Step 2: Convert to fraction form
    4,920.42/6,789.70 = 2,824.14/x
  3. Step 3: Cross multiply
    4,920.42x = 6,789.70 × 2,824.14
  4. Step 4: Simplify right side
    4,920.42x = 19,175,015.29
  5. Step 5: Solve for x
    x = 19,175,015.29/4,920.42
  6. Step 6: Final answer
    x = 3,897.03

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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.