Home / 4,414.60-6,621.90-1,946.80

Finding the Fourth Proportional to 4,414.60, 6,621.90 and 1,946.80

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Solution

The fourth proportional to 4,414.60, 6,621.90 and 1,946.80 is: 2,920.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,414.60 : 6,621.90 = 1,946.80 : x
  2. Step 2: Convert to fraction form
    4,414.60/6,621.90 = 1,946.80/x
  3. Step 3: Cross multiply
    4,414.60x = 6,621.90 × 1,946.80
  4. Step 4: Simplify right side
    4,414.60x = 12,891,514.92
  5. Step 5: Solve for x
    x = 12,891,514.92/4,414.60
  6. Step 6: Final answer
    x = 2,920.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.