Home / 4,919.42-6,788.46-2,930.12

Finding the Fourth Proportional to 4,919.42, 6,788.46 and 2,930.12

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Solution

The fourth proportional to 4,919.42, 6,788.46 and 2,930.12 is: 4,043.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,919.42 : 6,788.46 = 2,930.12 : x
  2. Step 2: Convert to fraction form
    4,919.42/6,788.46 = 2,930.12/x
  3. Step 3: Cross multiply
    4,919.42x = 6,788.46 × 2,930.12
  4. Step 4: Simplify right side
    4,919.42x = 19,891,002.42
  5. Step 5: Solve for x
    x = 19,891,002.42/4,919.42
  6. Step 6: Final answer
    x = 4,043.36

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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.