Home / 4,920.54-6,789.87-2,824.26

Finding the Fourth Proportional to 4,920.54, 6,789.87 and 2,824.26

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Solution

The fourth proportional to 4,920.54, 6,789.87 and 2,824.26 is: 3,897.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,920.54 : 6,789.87 = 2,824.26 : x
  2. Step 2: Convert to fraction form
    4,920.54/6,789.87 = 2,824.26/x
  3. Step 3: Cross multiply
    4,920.54x = 6,789.87 × 2,824.26
  4. Step 4: Simplify right side
    4,920.54x = 19,176,358.25
  5. Step 5: Solve for x
    x = 19,176,358.25/4,920.54
  6. Step 6: Final answer
    x = 3,897.21

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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.