Home / 4,138.08-6,209.14-1,946.42

Finding the Fourth Proportional to 4,138.08, 6,209.14 and 1,946.42

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Solution

The fourth proportional to 4,138.08, 6,209.14 and 1,946.42 is: 2,920.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,138.08 : 6,209.14 = 1,946.42 : x
  2. Step 2: Convert to fraction form
    4,138.08/6,209.14 = 1,946.42/x
  3. Step 3: Cross multiply
    4,138.08x = 6,209.14 × 1,946.42
  4. Step 4: Simplify right side
    4,138.08x = 12,085,594.28
  5. Step 5: Solve for x
    x = 12,085,594.28/4,138.08
  6. Step 6: Final answer
    x = 2,920.58

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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.