Home / 4,078.20-6,101.10-3,536.40

Finding the Fourth Proportional to 4,078.20, 6,101.10 and 3,536.40

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Solution

The fourth proportional to 4,078.20, 6,101.10 and 3,536.40 is: 5,290.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,078.20 : 6,101.10 = 3,536.40 : x
  2. Step 2: Convert to fraction form
    4,078.20/6,101.10 = 3,536.40/x
  3. Step 3: Cross multiply
    4,078.20x = 6,101.10 × 3,536.40
  4. Step 4: Simplify right side
    4,078.20x = 21,575,930.04
  5. Step 5: Solve for x
    x = 21,575,930.04/4,078.20
  6. Step 6: Final answer
    x = 5,290.55

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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.