Home / 4,920.04-6,788.82-2,824.12

Finding the Fourth Proportional to 4,920.04, 6,788.82 and 2,824.12

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Solution

The fourth proportional to 4,920.04, 6,788.82 and 2,824.12 is: 3,896.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,920.04 : 6,788.82 = 2,824.12 : x
  2. Step 2: Convert to fraction form
    4,920.04/6,788.82 = 2,824.12/x
  3. Step 3: Cross multiply
    4,920.04x = 6,788.82 × 2,824.12
  4. Step 4: Simplify right side
    4,920.04x = 19,172,442.34
  5. Step 5: Solve for x
    x = 19,172,442.34/4,920.04
  6. Step 6: Final answer
    x = 3,896.81

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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.