Home / 4,919.92-6,788.97-2,930.08

Finding the Fourth Proportional to 4,919.92, 6,788.97 and 2,930.08

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Solution

The fourth proportional to 4,919.92, 6,788.97 and 2,930.08 is: 4,043.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,919.92 : 6,788.97 = 2,930.08 : x
  2. Step 2: Convert to fraction form
    4,919.92/6,788.97 = 2,930.08/x
  3. Step 3: Cross multiply
    4,919.92x = 6,788.97 × 2,930.08
  4. Step 4: Simplify right side
    4,919.92x = 19,892,225.22
  5. Step 5: Solve for x
    x = 19,892,225.22/4,919.92
  6. Step 6: Final answer
    x = 4,043.20

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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.